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Lab animal

An animal used for research or experimentation in a laboratory setting.

Lab coat

A long, white coat worn by veterinary professionals during examinations and procedures.

Lab test

A medical test performed on an animal’s blood, urine, or other bodily fluids to check for disease or other health conditions.

Labial

Relating to the lips in animals, often used to describe the labial folds around the mouth or the labial glands.

Labile

A term in animal physiology referring to a substance or condition that is unstable or prone to change rapidly.

Labor

The process of giving birth in animals, often marked by contractions and the expulsion of the fetus.

Labored breathing

Difficult or labored breathing in animals, often a sign of respiratory problems or distress.

Labradoodle

A crossbreed dog resulting from the crossing of a Labrador Retriever and a Poodle.

Labrador Retriever

A breed of dog known for its friendly and outgoing personality, often used for hunting and as a family pet.

Labrador Retriever mix

A dog that is a cross between a Labrador Retriever and another breed.

Labrum

A structure in the mouthparts of insects and other arthropods used for feeding and grasping.

Labyrinth organ

A structure in fish that is involved in detecting vibrations and changes in water pressure, often used for orientation and navigation.

Laceration

A cut or tear in an animal’s skin or tissue.

Lacrimal gland

A gland in animals that produces tears, often involved in maintaining eye health and lubrication.

Lactate

A substance produced by animals during anaerobic metabolism, often used as a measure of exercise or metabolic function.

Lactate dehydrogenase

An enzyme in animals involved in energy metabolism, often used as a marker for tissue damage or disease.

Lactate threshold

The point during exercise in animals where lactate levels in the blood begin to increase, often used to evaluate athletic performance.

Lactating

Producing milk in female animals, often necessary for nursing offspring.

Lactation

The production and secretion of milk in female animals, often necessary for nursing offspring.

Lactation consultant

A professional who provides support and advice to nursing mothers, including animals.

Lactation failure

A condition in female animals where they are unable to produce enough milk to nurse their offspring.

Lactation induction

The process in female animals of stimulating milk production, often necessary for fostering or adopting young.

Lactation period

The length of time that a female animal produces milk for her offspring, often varies by species.

Lactic acid fermentation

A type of fermentation in animals that converts sugars to lactic acid, often used to preserve food and other products.

Lactic acidosis

A condition in animals where there is an accumulation of lactic acid in the blood, often associated with metabolic disorders or certain health issues.

Lactobacillus

A type of bacteria found in the digestive tract of animals that aids in digestion and promotes gut health.

Lactobacillus acidophilus

A specific strain of beneficial bacteria found in the gut of animals, often used in probiotics and other supplements.

Lactobacillus plantarum

A beneficial bacteria found in the gut of animals, often used in probiotics and other supplements.

Lactoferrin

A protein found in milk and other bodily fluids of animals, with antimicrobial and other health benefits.

Lactogenic hormone

A hormone in animals involved in stimulating milk production, often associated with pregnancy or lactation.

Lactose

A sugar found in milk and dairy products that can cause digestive problems in some animals.

Lactose intolerance

A condition in animals where they are unable to digest lactose, often leading to digestive symptoms such as diarrhea or bloating.

Lactose-free diet

A diet free from lactose, the sugar found in milk, often used for animals with lactose intolerance or other health issues.

Lactose-free milk

A type of milk that is free from lactose, often used as an alternative to regular milk for lactose-intolerant animals.

Lactulose

A type of laxative used to treat constipation in animals, often prescribed for cats with megacolon.

Lagomorph

An order of mammals that includes rabbits, hares, and pikas.

Lambing

The process of giving birth in sheep, often requiring special care and management.

Lambskin

The skin or fur of a lamb, often used for pet bedding or clothing.

Lame

Unable to walk or move properly due to an injury or pain in the legs or feet.

Lamellar

A term used to describe the structure of hooves or claws, which are made up of layers of tissue.

Lamellar bone

A type of bone in animals that is thin and flat, often found in the skull or pelvis.

Lamellar keratoplasty

A surgical procedure in animals to replace damaged or diseased corneal tissue with healthy tissue.

Lameness

A condition in animals characterized by difficulty or pain in walking or moving, often caused by injury or disease.

Lameness exam

A veterinary examination to assess an animal’s gait and determine the cause of lameness.

Lamina

The sensitive tissue in a horse’s hoof that connects the hoof wall to the coffin bone.

Laminar flow

A type of ventilation system in animal housing that uses high-efficiency filters to create a sterile, low-dust environment.

Laminectomy

A surgical procedure in animals to remove part of the vertebrae in the spine, often necessary to treat spinal cord injuries or other health issues.

Laminitic episode

A sudden and severe episode of laminitis in horses or other animals, often requiring immediate veterinary attention.

Laminitis

A condition in horses and other animals where the hoof laminae become inflamed, often causing pain and lameness.

Lamprey

A type of primitive fish that attaches itself to other fish to feed on their blood and body fluids.

Lap cat

A cat that enjoys sitting in a person’s lap.

Laparoscopy

A surgical procedure in animals that involves inserting a small camera and instruments through small incisions in the abdomen.

Laparotomy

A surgical procedure in animals that involves making an incision in the abdomen to access the internal organs.

Lapdog

A small dog that is bred to sit on a person’s lap.

Large animal

A term in animal husbandry and veterinary medicine referring to animals that are larger in size, such as horses, cattle, or pigs.

Large animal medicine

Veterinary medicine focused on the care and treatment of large animals, such as horses or cattle.

Large breed

A term in animal husbandry and veterinary medicine referring to animals that are larger in size than average for their species, such as Great Danes or Mastiffs.

Larva

The immature stage of an insect or other invertebrate animal, often characterized by distinct body features and behaviors.

Laryngeal hemiplegia

A condition in horses where the muscles that control the larynx are paralyzed, often causing difficulty breathing or making noise during exercise.

Laryngeal mask airway

A device used in animals during anesthesia to maintain an open airway and assist with breathing.

Laryngeal paralysis

A condition in animals where the muscles that control the larynx are weakened or paralyzed, often causing difficulty breathing or swallowing.

Laryngitis

Inflammation of the larynx in animals, often causing hoarseness and difficulty breathing or swallowing.

Laryngoscope

A medical instrument used to examine the larynx and vocal cords of animals.

Larynx

A part of the throat in animals that contains the vocal cords and helps with breathing and swallowing.

Laser pointer

A small handheld device that emits a laser beam used for play or training in some animals.

Laser surgery

A surgical procedure in animals that uses a laser to cut or remove tissue, often resulting in less bleeding and quicker healing.

Laser therapy

The use of laser light to promote healing and reduce pain in animals, often used for musculoskeletal conditions.

Lasix

A medication used in veterinary medicine to treat heart failure or high blood pressure in animals.

Latent period

The period of time in animals between exposure to a pathogen or other stimulus and the onset of symptoms or disease.

Lateral

A term in animal anatomy referring to the side of the body or a structure that is away from the midline.

Lateral collateral ligament

A ligament in an animal’s joint that helps to stabilize and support movement of the joint.

Lateral ear canal resection

A surgical procedure in animals to remove a portion of the ear canal, often necessary to treat chronic ear infections.

Lateral gene transfer

The transfer of genetic material between different organisms, often seen in bacteria and other microorganisms.

Lateral movement

Movement to the side in animals, often important for balance and agility.

Lateral radiograph

A type of radiograph taken from the side of an animal’s body, often used for diagnostic purposes.

Lateral recumbency

A position in animals where they are lying on their side, often used for veterinary exams or procedures.

Lateral suture technique

A surgical procedure in dogs to treat a torn cruciate ligament by placing a suture outside of the joint.

Lateral ventricle

A chamber of the brain in animals involved in regulating cerebrospinal fluid and other functions.

Lateralization

The specialization of the left and right sides of the brain in animals, often influencing behavior and perception.

Lavage

A procedure in animals that involves flushing a body cavity with fluid, often used to clean wounds or remove foreign objects.

Lavender

A plant in animals with fragrant purple flowers, often used for aromatherapy and other therapeutic purposes.

Law enforcement animal

An animal used by law enforcement agencies for tasks such as tracking, search and rescue, or drug detection.

Lawn chemicals

Chemicals used to maintain lawns that can be toxic to pets if ingested.

Laying hen

A female chicken used for egg production.

Leachate

The liquid that drains or leaches from waste material, such as from a landfill or compost pile.

Lead poisoning

A condition in which an animal is exposed to high levels of lead, which can cause a range of symptoms and health problems.

Lead rope

A rope used to lead or tie up an animal, often made of nylon or other durable materials.

Leading

The act of guiding a horse by holding onto its lead rope.

Leaky gut syndrome

A condition in animals characterized by increased intestinal permeability, often leading to inflammation and other symptoms.

Leash

The strap or cord in animals used to restrain and control an animal while walking or training.

Leash aggression

A type of aggression in animals towards other animals or people while on a leash or tether.

Leash training

The process of training a dog to walk on a leash, often important for safe and controlled walking.

Leather cleaner

A cleaning product used to clean and condition leather items, such as horse tack or pet collars.

Leather conditioner

A product used to soften and protect leather equipment, such as horse tack or boots.

Leather dog collar

A collar made from leather that is used for dogs.

Leather halter

A type of halter for horses made from leather.

Leather saddle

A type of saddle for horses made from leather.

Leatherback turtle

The largest sea turtle species that is named for its leathery shell.

Leech

A type of blood-sucking worm that is commonly found in freshwater environments and can sometimes attach to domestic animals.

Left atrium

One of the four chambers of the heart in animals, responsible for receiving oxygenated blood from the lungs.

Left ventricle

The chamber of the heart in animals responsible for pumping oxygenated blood to the body.

Leg curl

An exercise performed by animals to strengthen the muscles in their hind legs.

Leg hold trap

A type of trap used to capture animals by holding their leg or foot.

Leg injury

An injury to an animal’s leg or foot, such as a sprain or fracture.

Leg weakness

A condition in animals characterized by weakness or loss of function in the legs, often caused by injury or disease.

Leghorn

A breed of chicken that is commonly used for egg production.

Legume

A type of plant that includes beans, peas, and lentils, often used as a source of protein in animal feed.

Legume allergy

An allergy to legumes, such as peanuts or soy, in animals.

Legume hay

A type of hay in animals made from legume plants such as alfalfa or clover, often higher in protein and nutrients than grass hay.

Legume haylage

A type of feed for animals made from legume plants that have been fermented and stored.

Legume protein

A type of plant-based protein found in legume plants, often used as a source of protein in animal feed.

Legumes and pulses

A category of plants that includes beans, peas, and lentils, often used as a protein source in animal feed.

Leiomyoma

A benign tumor in animals that arises from smooth muscle tissue, often found in the uterus or other organs.

Leishmaniasis

A parasitic disease in animals caused by the Leishmania parasite, often transmitted by sandflies.

Leishmaniosis

A parasitic disease that affects dogs and other animals, transmitted by sandflies.

Length of gestation

The length of time that an animal is pregnant, varies by species.

Lens luxation

A condition in dogs and other animals where the lens of the eye becomes dislocated or displaced, often causing vision problems or pain.

Lenticular nucleus

A region of the brain in animals involved in movement and motor function.

Lenticular sclerosis

A condition in dogs and other animals where the lens of the eye becomes cloudy or opaque with age, often a normal aging process.

Leopard gecko

A species of lizard often kept as a pet, known for its distinctive spotted appearance and docile temperament.

Leopard spot

A spotted coat pattern found in some dog breeds, such as the Dalmatian.

Leptin

A hormone in animals involved in regulating appetite and metabolism, often associated with obesity and other health issues.

Leptin receptor

A protein in animals that binds to the hormone leptin and is involved in regulating appetite and metabolism.

Leptospira

A type of bacteria that can cause disease in animals and humans, often spread through contaminated water or soil.

Leptospira vaccine

A vaccine for animals that protects against the Leptospira bacteria, which can cause disease in animals and humans.

Leptospirosis

A bacterial infection in animals that can cause fever, vomiting, and other symptoms, often spread through contaminated water or soil.

Lesion

An abnormality or injury in an animal’s tissue or organ, such as a skin lesion or brain lesion.

Lethal dose

The amount of a substance that is fatal to an animal, often expressed as LD50 (the dose that is lethal to 50% of animals).

Lethal injection

A method of euthanasia in animals that involves the injection of a lethal dose of medication.

Lethargy

A condition in animals characterized by lack of energy or motivation, often associated with illness or certain health issues.

Leucine

An essential amino acid that is important for muscle growth and repair in animals.

Leucism

A genetic condition in animals characterized by partial or total loss of pigmentation in the skin, hair, or feathers.

Leucopenia

A condition characterized by a low number of white blood cells in an animal’s blood.

Leukemia

A type of cancer in animals affecting blood cells and bone marrow, often characterized by abnormal cell growth and proliferation.

Leukemia virus

A type of virus that can cause leukemia or other blood cancers in animals, often transmitted through bodily fluids.

Leukocyte

A type of white blood cell in animals involved in immune function and defense against infection.

Leukocytosis

An increase in the number of white blood cells in animals, often associated with infection or inflammation.

Leukopenia

A decrease in the number of white blood cells in animals, often associated with certain health issues or medications.

Level bite

A type of dental occlusion in animals where the upper and lower teeth meet evenly.

Lice

A type of ectoparasite in animals that feeds on the blood of various animals, often causing itching and other skin irritations.

Lice comb

A comb with fine teeth used to remove lice and their eggs from an animal’s fur or feathers.

Lice infestation

A condition in animals caused by an infestation of lice, often resulting in itching, irritation, and other symptoms.

Lice powder

A type of powder used to treat lice infestations in animals, often containing insecticides or other chemicals.

Lick granuloma

A skin condition caused by excessive licking, resulting in a raised sore.

Licking

An act of cleaning oneself or another animal by passing the tongue over the surface.

Licking behavior

A behavior in animals where they repeatedly lick surfaces or themselves, often a sign of stress or anxiety.

Licking granuloma

A condition in animals characterized by compulsive licking of a particular area of skin, often leading to sores and infection.

Lidocaine

A local anesthetic medication used in animals to relieve pain or discomfort.

Life expectancy

The average length of time that an animal is expected to live, varies by species and individual factors.

Life stage

A specific period in an animal’s life, often characterized by specific developmental or physiological changes.

Life stage diet

A type of diet for animals that is tailored to their specific life stage or age, such as puppy or senior diets.

Life stage nutrition

Nutrition tailored to an animal’s specific life stage, such as puppy or senior dog food.

Life support system

A system used to maintain the life of an animal, often used in critical care settings.

Lifespan

The length of time that an animal can be expected to live, often influenced by genetics and environmental factors.

Lifetime care

The provision of care and support for an animal for the duration of its life, often important for animals with special needs or medical conditions.

Ligament

A band of tissue that connects bones or other structures in animals, often important for stability and support.

Ligament injury

An injury in animals that affects one or more ligaments, often caused by trauma or overuse.

Ligase

An enzyme in animals involved in joining together two molecules or strands of DNA.

Ligature

A thread or other material used to tie off blood vessels or other structures during surgery in animals.

Light cycle

The length and timing of the light and dark periods in an animal’s environment, important for regulating biological rhythms and behaviors.

Light deprivation

The absence of light in an animal’s environment, often used to induce hibernation or other physiological changes.

Light fixture

A device used to hold and provide power to a light source, such as in a reptile or bird cage.

Light horse

A breed of horse that is used for riding, racing, or driving.

Light meter

A device used to measure the intensity of light in an animal’s environment, important for regulating biological rhythms and behaviors.

Light sensitivity

Sensitivity of an animal’s eyes to light, often seen in animals with certain eye conditions or injuries.

Light therapy

The use of light to treat a variety of conditions in animals, such as seasonal affective disorder or skin conditions.

Light-sensitive

Sensitive to light, often seen in animals with certain eye conditions or injuries.

Lignocaine

A local anesthetic medication used in animals to relieve pain or discomfort.

Limb

An animal’s arm, leg, or wing, used for movement and support.

Limb amputation

A surgical procedure to remove a limb from an animal, often necessary to treat cancer or other health issues.

Limb bone

A bone in an animal’s leg or foot, such as the femur or tibia.

Limb deformity

A physical abnormality in an animal’s limb, often caused by genetics or injury.

Limb salvage

A type of surgical procedure used to save a limb in animals, often necessary to treat cancer or other health issues.

Limb sparing

A surgical technique used to remove a cancerous tumor from an animal’s limb while preserving the limb itself.

Limber tail

A condition in dogs characterized by a painful limp or drooping tail, often due to overexertion or injury.

Limberneck

A condition in birds caused by a toxin that affects the nervous system and causes paralysis.

Limberness

The flexibility and suppleness of an animal’s muscles and joints.

Limbic system

A group of structures in the brain in animals involved in emotional processing, memory, and other functions.

Lime

A type of mineral supplement used in animal feed to balance pH and provide calcium and other nutrients.

Limestone

A type of rock in animal feed and supplements that is high in calcium and other minerals, often used to balance the diet.

Limestone powder

A type of mineral supplement used in animal feed to provide calcium and other essential nutrients.

Limnology

The study of freshwater ecosystems, often involving the study of aquatic animals.

Limonene

A compound found in citrus fruits that is often used as a natural insecticide for animals.

Limousin

A breed of cattle known for its lean meat and good marbling.

Limping

Walking with difficulty due to an injury or pain in the legs or feet.

Line breeding

A breeding practice in animals where individuals that are distantly related are bred to maintain desirable traits or characteristics.

Line of sight

The path that an animal’s vision follows, influenced by factors such as the position of objects and the shape of the eye.

Linear accelerator

A device used to deliver high-energy radiation to treat cancer in animals.

Linear foreign body

A type of foreign body in animals that is long and linear, often causing intestinal obstruction.

Linear growth

Growth in height or length in animals, often seen during the juvenile or adolescent stages.

Liniment

A type of medication in animals applied externally as a rub or lotion to alleviate pain or inflammation.

Lion cut

A hairstyle for cats that involves shaving the fur on the body but leaving a mane around the head and neck.

Lion tamer

A person who trains and performs with lions in a circus or other entertainment setting.

Lionhead rabbit

A breed of rabbit that has a distinctive mane of fur around its head.

Lipase

An enzyme that breaks down fats in animals, important for proper digestion and absorption of nutrients.

Lipemia

A condition in animals where the blood has an abnormally high level of lipids or fats, often associated with certain health issues or fasting.

Lipid

A type of molecule that includes fats, oils, and other substances important for energy storage and cellular function in animals.

Lipid metabolism

The process by which animals break down and use fats for energy and other metabolic functions.

Lipid panel

A blood test in animals that measures the levels of different types of fats in the blood, often used to evaluate heart and metabolic health.

Lipid peroxidation

A process in animals where free radicals damage lipids in cell membranes, often leading to tissue damage or disease.

Lipid profile

A blood test that measures the levels of various lipids, such as cholesterol and triglycerides, in an animal’s blood.

Lipidosis

A condition in animals characterized by the abnormal accumulation of lipids, often seen in the liver or kidneys.

Lipoma

A benign growth in animals consisting of fatty tissue, often found under the skin or in the abdomen.

Lipoma removal

A surgical procedure in animals to remove a lipoma, a benign tumor made up of fatty tissue.

Lipoma surgery

A surgical procedure to remove a lipoma, a benign tumor made up of fatty tissue.

Lipoprotein

A complex of lipids and proteins in animals involved in transporting fats and other substances in the blood.

Liposuction

A surgical procedure in animals that involves removing excess fat from specific areas of the body.

Liquid diet

A diet consisting of liquids, often used for animals with digestive issues or after surgery.

List of ingredients

A list of the ingredients in a commercial pet food or supplement, required by law in many countries.

List of side effects

A list of potential side effects associated with a medication or treatment for animals.

Listlessness

A condition in animals characterized by lack of energy or interest, often associated with illness or certain health issues.

Litter

The offspring of an animal in animals born in a single birth or hatching, often referring to a group of young animals.

Litter box

A container filled with absorbent material used by cats and other animals for urination and defecation.

Litter box training

The process of training a cat or other small animal to use a litter box for indoor elimination.

Litter size

The number of offspring born at one time to an animal, often influenced by genetics and environmental factors.

Litter training

The process of training small animals, such as rabbits or ferrets, to eliminate in a designated litter box.

Littermate

A sibling from the same litter of puppies or kittens.

Littermate syndrome

A condition that can occur when two puppies from the same litter are raised together, leading to behavioral problems and difficulties in socialization.

Livable weight

The weight range that is considered healthy for an animal based on its breed and size.

Live animal market

A market where live animals are sold for consumption, often associated with the spread of zoonotic diseases.

Live food

Food in animals that is alive, such as insects or rodents, often used as a source of protein or for enrichment.

Live prey

Prey animals that are alive and used for feeding predators, such as live mice or insects.

Liver

The organ in animals involved in various metabolic processes, often responsible for filtering blood and producing bile.

Liver biopsy

A medical procedure that involves removing a small sample of liver tissue for examination, often used to diagnose liver disease in animals.

Liver disease

A condition where an animal’s liver is damaged or malfunctioning, which can cause a range of symptoms and health problems.

Liver enzyme

A protein produced by the liver that is involved in metabolic processes in animals.

Liver failure

A condition in animals where the liver is unable to function properly, often caused by infection, toxins, or metabolic disorders.

Liver fluke

A type of internal parasite in animals that affects the liver, often causing inflammation or other health issues.

Liver shunt

A condition in animals where blood flow to the liver is diverted, often causing liver disease or other health issues.

Livestock

Animals raised for food, fiber, or other agricultural purposes, such as cattle, sheep, pigs, and chickens.

Livestock auction

An event where farmers and buyers gather to buy and sell livestock.

Livestock feed

Food and supplements given to livestock to maintain their health and promote growth.

Livestock guardian dog

A type of dog bred to protect livestock from predators, such as wolves or coyotes.

Livestock insurance

Insurance coverage for farmers and ranchers to protect against losses due to illness, injury, or death of their livestock.

Livestock market

A place where farmers and buyers gather to buy and sell livestock.

Livestock trailer

A type of trailer used for transporting animals, often designed with partitions and other features for animal safety and comfort.

Lividosis

A condition in animals caused by the accumulation of bile pigments in the blood, leading to jaundice and other symptoms.

Livor mortis

A condition in animals after death where blood pools in the dependent parts of the body, causing discoloration.

Llama

The domesticated South American animal in animals used for meat, fiber, and transportation, often characterized by a long neck and fluffy coat.

Llama fiber

The woolly coat of a llama that is often used for textiles and crafts.

Llama pack

A pack designed for llamas to carry equipment or supplies while hiking or camping.

Llama trekking

A recreational activity that involves hiking or walking with llamas.

Llama wool

The fiber obtained from the coat of a llama, which is soft and warm and used for clothing and textiles.

Load cell

A device used to measure the weight or force applied to an animal, often used in research or husbandry settings.

Load-bearing capacity

The maximum weight that an animal can safely carry or pull, often important for horses and other working animals.

Load-bearing joint

A joint in an animal’s body that supports weight and movement, such as the knee or hip joint.

Lobe

A distinct section or subdivision of an animal’s organ, such as the lung or brain.

Lobectomy

A surgical procedure in animals to remove a lobe of the lung, often necessary to treat cancer or other health issues.

Lobster tail

A type of tail carriage in horses where the tail is held high and curved.

Local anesthesia

A type of anesthesia in animals that numbs a specific area or region of the body, often used for minor procedures or surgeries.

Local anesthetic

A type of anesthesia that numbs a specific area of an animal’s body.

Local feed

Feed that is sourced locally, often important for supporting local agriculture and reducing the carbon footprint of animal agriculture.

Local infection

An infection that is confined to a specific area of an animal’s body, often treated with topical or localized medications.

Local lymph node assay

A test in animals used to assess the potential toxicity of chemicals or other substances on the immune system.

Local pain

Pain that is confined to a specific area of an animal’s body, often caused by injury or inflammation.

Local reaction

An immune response that occurs at the site of an animal’s exposure to an antigen, such as swelling or redness at an injection site.

Local vet

A veterinarian who practices in a local area, often providing care to small or large animals.

Localized infection

An infection that is confined to a specific area of an animal’s body, often treated with topical or localized medications.

Locking jaw

A condition in animals where the jaw becomes temporarily or permanently locked, often caused by injury or disease.

Lockjaw

A condition in animals characterized by stiffness or spasms in the muscles of the jaw, often associated with tetanus or other health issues.

Locomotion

The movement in animals from one place to another, often involving various structures and mechanisms depending on the animal.

Locomotor

Relating to the movement or locomotion of an animal, such as locomotor activity.

Locomotor behavior

Movement or motion in animals, often related to walking, running, or swimming.

Locomotor system

The system of bones, muscles, and joints in animals responsible for movement and mobility.

Locus

A specific location on a chromosome in animals, often associated with a particular trait or gene.

Loft

An elevated space used for animal housing or storage, such as a hay loft.

Lofting

The process of raising and lowering a bird of prey on a long line to exercise and train its flying abilities.

Loin

The area of an animal’s body in animals located between the ribs and pelvis, often used in meat production.

Loincloth

A garment worn by animals to protect the genital area or provide warmth, often used in horses or cattle.

Lollipop stick

A tool used in animals to stimulate the gag reflex and promote swallowing, often used for cats or dogs.

Long bone

A type of bone in animals that is longer than it is wide, such as the femur or humerus.

Long hair

Hair in animals that is longer than average, often requiring extra grooming and maintenance.

Long-term care

Ongoing care and support for animals with chronic health conditions or special needs.

Long-term memory

A type of memory in animals that allows for the retention of information over a long period of time.

Longevity

The duration of an animal’s life in animals, often influenced by genetic and environmental factors.

Longhair

A type of coat in cats or dogs that is long and flowing, such as in a Persian cat or Afghan Hound.

Longhaired

A term used to describe animals with long fur, such as Persian cats or longhaired rabbits.

Longissimus muscle

A muscle in animals that runs along the back and is important for posture and movement.

Longitudinal study

A research study in animals that follows a group of individuals over a period of time to track changes and outcomes.

Loop diuretic

A type of diuretic medication used to increase urine output in animals, often used to treat heart or kidney disease.

Loop recorder

A type of device used to monitor the heart rhythm of animals, often used for diagnostic purposes.

Loose box

A type of horse stall that is larger than a regular stall and allows more freedom of movement.

Loose stool

Stool in animals that is loose or watery, often a sign of digestive issues or other health problems.

Lop

The type of ear in animals that hangs down or droops, often found in certain breeds of rabbits and other animals.

Lop rabbit

A breed of rabbit with ears that hang down, similar to a basset hound.

Lop-eared

A type of ear shape in animals where the ears droop or hang down, often found in certain breeds of rabbits or dogs.

Lophodont

A type of tooth in animals characterized by ridges and crests that aid in grinding and chewing tough vegetation.

Lopsided

Uneven or unbalanced in appearance or structure, such as lopsided ears.

Lordosis

A condition in animals characterized by an abnormal curvature of the spine, often associated with injury or other health issues.

Lounging

Resting or relaxing in a comfortable position.

Louping ill

A viral disease in sheep and other animals caused by the Louping ill virus, often transmitted by ticks.

Louse

A type of external parasite in animals that feeds on blood and skin cells, often causing itching, irritation, and other symptoms.

Louse collar

A type of collar worn by animals, such as dogs or horses, to repel lice and other parasites.

Louse comb

A type of comb used to remove lice and their eggs from an animal’s hair or fur.

Louse fly

A type of fly that is a common parasite of domestic animals, such as horses and cattle.

Louse powder

A type of powder used to control lice and other external parasites in animals.

Louse spray

A type of spray used to control lice and other external parasites in animals.

Low blood sugar

A condition where an animal’s blood glucose levels are lower than normal, which can cause weakness, seizures, or other symptoms.

Low calcium diet

A diet that is low in calcium and often recommended for animals with certain health conditions.

Low carbohydrate diet

A diet that is low in carbohydrates and often recommended for animals with certain health conditions, such as diabetes.

Low protein diet

A diet low in protein, often recommended for animals with certain health conditions, such as kidney disease.

Low residue diet

A diet that is low in fiber and often recommended for animals with certain digestive problems.

Low-allergen dog food

Dog food that is lower in allergenic ingredients, often recommended for dogs with food allergies.

Low-carbohydrate diet

A diet that is lower in carbohydrates than a typical diet, often used for animals with diabetes or other health issues.

Low-dose radiation therapy

Radiation therapy in animals that uses a lower dose of radiation than typical radiation therapy, often resulting in fewer side effects.

Low-fat diet

A diet in animals that is lower in fat than a typical diet, often used for weight management or to reduce the risk of certain health issues.

Low-fat dog food

Dog food that is lower in fat than regular dog food, often recommended for dogs with certain health conditions.

Low-fiber diet

A diet that is low in fiber and often recommended for animals with certain digestive problems or medical conditions.

Low-frequency sound

Sound waves with a frequency lower than the range of human hearing, often used for communication and navigation in animals.

Low-grade food

A term used to describe commercial pet food that contains lower quality ingredients or fillers.

Low-grade inflammation

A chronic condition in animals where there is a low level of inflammation in the body, often associated with age or certain health issues.

Low-lying placenta

A condition in pregnant animals where the placenta is located close to or covering the cervix, often causing complications during delivery.

Low-maintenance pet

A type of pet that requires minimal time, effort, or resources to care for, such as a fish or hamster.

Low-pressure system

A type of ventilation system in animal housing that uses low-pressure fans to create a uniform and comfortable environment.

Low-protein diet

A diet that is low in protein and often recommended for animals with certain health conditions.

Low-residue diet

A diet that is low in fiber and other indigestible materials, often used for animals with digestive issues or after surgery.

Low-set

A term used to describe animals with a body shape that is closer to the ground, such as the Welsh Corgi.

Low-sodium diet

A diet that is low in sodium and often recommended for animals with certain health conditions, such as heart disease.

Low-stress environment

An environment designed to minimize stress and anxiety in animals, often important for optimal health and well-being.

Low-stress handling

A method of handling animals that reduces stress and anxiety, often used in veterinary or livestock settings.

Low-stress handling techniques

Techniques used to minimize stress and anxiety in animals, often used in veterinary or husbandry settings.

Low-tension glaucoma

A type of glaucoma in animals where there is less pressure in the eye than normal, often causing vision problems or blindness.

Lowchen

A breed of small dog with a lion-like appearance.

Loxoscelism

A condition caused by the bite of a brown recluse spider, which can cause tissue death and other serious health problems in animals.

Loyal

Faithful and devoted to its owner.

Lube oil

Oil used to lubricate and protect the moving parts of machinery, such as farm equipment.

Lucerne

A type of legume plant used in animal feed and hay, also known as alfalfa.

Lufenuron

An insect growth regulator used to control flea infestations in cats and dogs.

Lumbar

Referring to the area of an animal’s spine in animals between the thoracic and sacral regions, often involving the lower back and abdomen.

Lumbar puncture

A medical procedure in animals that involves the insertion of a needle into the spinal canal to collect cerebrospinal fluid or administer medication.

Lumbar vertebrae

The five vertebrae in the lower back of animals, between the thoracic and sacral vertebrae.

Lumber spine

The lower back region of the spine in animals, often used to refer to the lumbar vertebrae.

Lumbosacral disease

A condition in animals affecting the lumbar and sacral regions of the spine, often causing pain or mobility issues.

Lumbosacral joint

A joint in animals that connects the lumbar vertebrae to the sacrum, often important for mobility and stability.

Lumbosacral stenosis

A condition in animals where the spinal canal in the lower back is narrowed, often causing pain and weakness in the hindquarters.

Lumbricoid

A type of internal parasite in animals, also known as a roundworm.

Lumen

The space in animals within a tubular structure, such as a blood vessel or the intestine, often involved in the transport of various substances.

Lumen diameter

The diameter of the lumen of an animal’s organ or vessel, often important for proper function and health.

Lumenal pressure

The pressure within the lumen of an animal’s organ or vessel, often important for proper function and health.

Luminescence

The emission of light by an animal, such as bioluminescent fish or fireflies.

Luminous

Emitting or reflecting light, such as luminous fish or insects.

Lump

An abnormal mass or swelling on an animal’s body, often a sign of a tumor or other health issue.

Lumpectomy

A surgical procedure in animals to remove a lump or mass, often necessary to treat cancer or other health issues.

Lumpy jaw

A bacterial infection that affects the bones in the jaw of some animals.

Lung

The organ in animals involved in respiration and gas exchange, often characterized by a spongy texture and various airways.

Lung cancer

A type of cancer in animals that affects the lungs, often associated with exposure to environmental toxins or secondhand smoke.

Lung capacity

The maximum amount of air that an animal’s lungs can hold.

Lunge line

A long rope used to lead a horse while lunging or training.

Lunge whip

A long whip used to encourage a horse to move forward while lunging or training.

Lunging

Training a horse by leading it in a circle on a long line.

Lungs

The respiratory organs in animals involved in exchanging gases between the body and the environment, often characterized by branching airways and sacs.

Lungworm

A type of parasite that lives in the lungs of animals, often causing respiratory symptoms and other health issues.

Lupine

A type of flowering plant that is toxic to dogs if ingested.

Lupus

The autoimmune disease in animals affecting various organs and tissues, often characterized by inflammation and tissue damage.

Lurcher

A type of dog that is a cross between a sighthound and a working breed, often used for hunting.

Lure coursing

A type of dog sport that involves chasing a mechanical lure, often used to test a dog’s natural hunting instincts.

Luster

The quality of shining or reflecting light, such as the luster of a horse’s coat.

Lutalyse

A hormone used in veterinary medicine to induce estrus or abortion in animals.

Luteal phase

The phase of the estrous cycle in which the corpus luteum develops, often marked by a rise in progesterone levels.

Lutein

A pigment found in some fruits and vegetables that can help maintain eye health in animals.

Luteinizing hormone

A hormone in animals involved in regulating reproductive function, often associated with ovulation or testosterone production.

Luteinizing hormone-releasing hormone

A hormone in animals involved in regulating reproductive function and stimulating the production of luteinizing hormone.

Lutino

A color morph in animals characterized by a yellow or white plumage or fur, often found in certain bird or reptile species.

Luxating patella

A condition in which the kneecap of a dog slips out of place, causing pain and difficulty walking.

Luxation

A condition in animals where a joint becomes dislocated or displaced, often causing pain, inflammation, or mobility issues.

Lycanthropy

A rare psychological disorder in which a person believes that they are an animal, such as a dog or a wolf.

Lymph

A fluid in animals that circulates throughout the body and is involved in immune function and waste removal.

Lymph node

An organ in animals involved in filtering and processing lymphatic fluid and immune cells, often located in clusters throughout the body.

Lymph node biopsy

A procedure in animals that involves removing a sample of tissue from a lymph node for diagnostic purposes.

Lymphadenitis

Inflammation of the lymph nodes in animals, often a sign of infection or other health issues.

Lymphadenopathy

A condition characterized by swelling of the lymph nodes in animals, often a sign of infection or inflammation.

Lymphangiectasia

A condition in animals characterized by dilation and dysfunction of the lymphatic vessels, often leading to edema and other symptoms.

Lymphangiography

A medical imaging technique used to examine the lymphatic vessels in animals.

Lymphangitis

Inflammation of the lymphatic vessels in animals, often a sign of infection or other health issues.

Lymphatic drainage

The movement of lymph fluid through the lymphatic system of animals, important for immune function and fluid balance.

Lymphatic filariasis

A parasitic disease that affects animals, transmitted by mosquitoes.

Lymphatic system

The network of vessels and tissues in animals involved in maintaining fluid balance and immune function, often connected to the circulatory system.

Lymphatic vessel

A vessel in animals that carries lymph fluid and immune cells throughout the body.

Lymphatic vessel obstruction

A condition in animals where lymphatic vessels are blocked or obstructed, often leading to swelling and other symptoms.

Lymphedema

Swelling caused by an accumulation of lymphatic fluid in the tissues of animals.

Lymphocyte

A type of white blood cell involved in the immune response of animals, including B cells and T cells.

Lymphocyte proliferation

An increase in the number of lymphocytes in animals, often a sign of infection or immune system activation.

Lymphocytosis

An abnormally high number of lymphocytes in an animal’s blood, often a sign of infection or immune system disorder.

Lymphoid tissue

Tissue in animals that is involved in immune function and defense against infection, such as the lymph nodes and spleen.

Lymphoma

A type of cancer in animals that affects the lymphatic system, often characterized by enlarged lymph nodes and other symptoms.

Lymphoma vaccine

A vaccine for animals that protects against lymphoma, a type of cancer that affects the lymphatic system.

Lynx

A type of wild cat that is known for its tufted ears and short tail.

Lynx point

A color pattern found in Siamese cats that includes tabby stripes on a pale body.

Lynx point Siamese

A breed of cat with a color pattern that includes blue-gray points on a pale body.

Lysate

The material produced when a cell or virus is lysed or broken apart, often used in research or diagnostic tests.

Lysine

An essential amino acid in animals involved in protein synthesis and immune function, often used as a dietary supplement.

Lysine deficiency

A deficiency in the amino acid lysine in animals, often leading to poor immune function and other health issues.

Lysine supplement

A supplement for animals that contains the amino acid lysine, often used to support immune function and prevent infections.

Lysine-rich diet

A diet in animals that is high in the amino acid lysine, often used to support immune function and prevent infections.

Lysine-rich foods

Foods that are rich in lysine, such as meat, dairy, and legumes, often used to support immune function and muscle growth in animals.

Lysogenic bacteria

Bacteria that can enter the lysogenic cycle and integrate their DNA into the host cell’s genome, remaining dormant until activated.

Lysogenic cycle

A type of viral replication cycle in which the virus integrates its DNA into the host cell’s genome, remaining dormant until activated.

Lysogenic phage

A type of bacteriophage that can enter the lysogenic cycle and integrate its DNA into the host cell’s genome.

Lysosomal enzyme replacement therapy

A type of therapy in animals that replaces missing or deficient enzymes in lysosomes, often used to treat lysosomal storage diseases.

Lysosomal storage disease

A group of inherited disorders in animals characterized by the accumulation of substances in lysosomes, often leading to neurological or developmental issues.

Lysosomal storage disorder

A group of inherited disorders in animals characterized by the accumulation of substances in lysosomes, often leading to neurological or developmental issues.

Lysosome

A membrane-bound organelle in animals that contains digestive enzymes and is involved in breaking down cellular waste and foreign substances.

Lysosome storage disease

A group of inherited disorders in animals characterized by the accumulation of substances in lysosomes, often leading to neurological or developmental issues.

Lysosome-associated membrane protein

A protein in animals that is involved in lysosomal function and transport of cellular waste products.