Having a sudden and generally severe onset. See also chronic. Allergen

Loss of appetite. Anterior Cruciate Ligament (ACL), Medial Collateral Ligament (MCL)

Medication which kills certain types of intestinal worms; dewormer. Antibody Titer

An allergy

A plant pigment which can be converted to Vitamin A by many animals, but not by cats. Biopsy

A condition in dogs caused by twisting of the stomach that traps gases and contents.

The hardening of tissue through the influx of calcium, usually as a result of chronic inflammation. Calorie

See Sarcoma. Cardiomyopathy

An animal whose natural diet includes meat. Carrier

A cloudiness of the lens of the eye, reducing vision and giving the eye a pearly appearance. Chronic