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Ice melt

Chemicals used to melt ice on sidewalks and roads during the winter months that can be toxic to pets if ingested or inhaled.

Iceberg lettuce

A type of lettuce that should not be fed to pets, as it can cause digestive upset and potentially be toxic.

Icelandic Sheepdog

A breed of dog originating from Iceland, known for their friendly and energetic personality.


A condition in which an animal’s skin and mucous membranes become yellow due to the buildup of bilirubin in the bloodstream, often seen in pets with liver disease.

Idiopathic disease

A disease or condition with an unknown cause or origin in pets.

Idiopathic epilepsy

A type of epilepsy in pets with an unknown cause or origin.

Ileocolic intussusception

A condition in which a portion of the intestine telescopes into another section of the intestine, often causing blockages and other digestive issues in pets.


A condition in which the muscles of the digestive system stop working properly, often leading to a blockage or other digestive issues in pets.

Iliac crest

The ridge of bone located on the upper part of the pelvis in pets, often used for bone grafting procedures in orthopedic surgery.

Iliac lymph nodes

Lymph nodes located in the pelvic area of pets, often used to diagnose and monitor certain health conditions.

Iliopsoas muscle

A muscle located in the groin area of animals that helps with hip and leg movement.

Iliopsoas muscle strain

A painful injury to the muscles located in the hip and thigh area of pets, often caused by overuse or trauma.


The uppermost part of the hip bone in animals, often used as a reference point in veterinary anatomy.


An insecticide commonly used in flea and tick prevention products for pets.

Immune system

The body’s natural defense system against infections and diseases, consisting of white blood cells, antibodies, and other components.

Immune-mediated diseases

Diseases that occur when an animal’s immune system attacks its own body, such as autoimmune diseases and allergies.

Immune-mediated hemolytic anemia

A type of anemia in pets in which the immune system attacks and destroys red blood cells.


The process of providing immunity to an animal against a specific disease through vaccination or other methods.


Refers to an animal with a weakened or compromised immune system, often due to underlying health conditions or medications.


A condition in which an animal’s immune system is weakened or compromised, often leading to recurrent infections and other health issues.


A diagnostic technique that uses antibodies to identify and locate specific proteins in tissue samples, often used to diagnose and monitor certain health conditions in pets.

Immunomodulatory drugs

Medications used to modify or regulate the immune system, often used to treat autoimmune diseases and other conditions in pets.

Immunosuppressive drugs

Medications used to suppress or weaken the immune system, often used to treat autoimmune diseases and other conditions in pets.


A type of cancer treatment for pets that uses the body’s immune system to fight cancer cells.


A process in which young animals form strong attachments to their caregivers or environment during a critical period of development.

Impulse control

The ability of pets to resist certain behaviors or impulses, often trained through positive reinforcement and behavior modification techniques.