A condition of the blood in which there are large amounts of methemoglobin which is an altered hemoglobin which does not carry oxygen.... ↪ Read more

Spread of a tumor from its original location to a remote one, by tumor cells that are carried in the blood.... ↪ Read more

A condition in which the pH of the blood is too acidic because of the production of certain types of acids.... ↪ Read more

When an animal mounts an immune response against a foreign substance, some cells are created to 'remember' the antigens on that substance. If the animal is again exposed to the substance, these cells will help the body respond much faster and to a higher degree.... ↪ Read more

Darkening of the stool due to the presence of digested blood, which indicates bleeding is occurring in the stomach and/or beginning of the small intestine. The feces generally look black and tarry.... ↪ Read more

A condition in which the colon enlarges and dilates, which results in feces accumulating in the colon. Constipation then occurs. This condition is more common in cats than dogs.... ↪ Read more

When referring to food ingredients, means a ground-up preparation. Chicken meal is ground up chicken, which might include bones and feathers. Meat meal means ground up muscle meat.... ↪ Read more

Antibody in a newborn animal which the newborn acquired through the placenta or colostrum (the first milk).... ↪ Read more

An infection or inflammation of the mammary glands. Inflammation of the mammary gland, usually due to bacterial infection.... ↪ Read more

A nodular growth, usually on the skin, which involves cells (mast cells) which contain large amounts of histamine and normally play a role in allergic reactions. All mast cell tumors in dogs should be considered potentially malignant.... ↪ Read more

See Monoamine oxidase inhibitor... ↪ Read more

Any of several skin and ear conditions caused by a variety of mites.... ↪ Read more