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

Pertaining to the breast. Breast.... ↪ Read more

Ill health due to dietary dificiency or imbalance.... ↪ Read more

A process that does harm to nearby tissues. Usually synonymous with cancer, a tumor that grows quickly and spreads both in the original area where it occured and in remote parts of the body. Tending to become progressively worse and result in death. A cancer that has high possibility for spread.... ↪ Read more

A condition involving the intestine in which food may not be properly digested or the nutrients not absorbed.... ↪ Read more

A type of phagocyte (cell in the body which 'eats' damaged cells and foreign substances such as virus and bacteria).... ↪ Read more

Chemicals produced by T lymphocytes. Some lymphokines signal macrophages and other phagocytes to destroy foreign invaders.... ↪ Read more

The class of cells in the body which are responsible for mounting an immune response. Two main types are B cells and T cells... ↪ Read more

Part of the immune system of an animal. Small masses of tissue that contain white blood cells called lymphocytes. Blood from the nearby area is filtered through the lymph node allowing foreign or infectious material to be recognized and destroyed if possible.... ↪ Read more

A low passage vaccine contains virus particles which have been attenuated, or weakened, less than those in the 'average' vaccine. Low passage vaccines can generally elicit an immune system response in young animals who have a maternal antibody level that would prevent them from responding to an... ↪ Read more