Pet Health Articles

  • Commonly called 'anal glands', the anal sacs are two small pouches located on either side of the anus at approximately the four o'clock and eight o'clock positions. Numerous specialized sebaceous (sweat) glands that produce a foul smelling secretion line the walls of the sacs. Each sac is connected to the outside by a small duct that opens just inside the anus.

  • An anaphylactic reaction or anaphylaxis is an immediate hypersensitivity (allergic) reaction to a foreign substance, especially a foreign protein.

  • Anaplasmosis is a tickborne disease caused by the infectious bacterial organism Anaplasma phagocytophilum. It is transmitted through bites of the deer tick (also known as the black-legged tick) and western black-legged tick.

  • Anemia is a medical term referring to a reduced number of circulating red blood cells (RBC's), hemoglobin (Hb), or both. It is not a specific disease but rather it is the result of some other disease process or condition.

  • Anemia is a medical term referring to a reduced number of circulating red blood cells, hemoglobin, or both. It is not a specific disease but rather is the result of some other disease process or condition.

  • The word anesthesia comes from the Greek meaning "lack of sensation". Anesthesia is accomplished by administering drugs that depress nerve function. With general anesthesia, the patient is made unconscious for a short period. During this unconscious state, there is muscular relaxation and a complete loss of pain sensation.

  • The word anesthesia comes from the Greek meaning "lack of sensation". Anesthesia is accomplished by administering drugs that depress nerve function. With general anesthesia, the patient is made unconscious for a short period. During this unconscious state, there is muscular relaxation and a complete loss of pain sensation.

  • In cats, the pupil is an elliptically-shaped opening in the middle of the iris that allows light to pass through the eye to the retina. The pupil constricts or dilates (enlarges) according to the amount of light that enters the eyes, with both pupils normally dilating in dim light and constricting in bright light.

  • The pupil is a round opening in the middle of the iris that allows light to pass through the eye to the retina. The pupil constricts or dilates (enlarges) according to the amount of light that enters the eyes, with both pupils normally dilating in dim light and constricting in bright light.

  • Anorexia (a loss of appetite) and lethargy (a feeling of listlessness and general inactivity) are commonly seen in sick pet birds. While not diagnostic for any specific disease, these signs can indicate severe illness in a bird that requires immediate medical attention. Simply put, just about every serious illness seen in birds can result in anorexia and lethargy.