Aer-, aero-: Prefix indicating air or gas, such as aerogastria (excess stomach gas).
- AED (automated external defibrillator)
AED (automated external defibrillator): See: Automated external defibrillator.
- AID (artificial insemination by donor)
AID (artificial insemination by donor): A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the uterus) into the uterus (the womb) to deposit a sperm sample from a donor other than the woman’s mate directly into the uterus. The purpose of this procedure is to achieve fertilization […]
Acquired immunodeficiency syndrome, a syndrome caused by infection with the human immunodeficiency virus (HIV), with ensuing compromise of the body’s immune system. Features include deficiency of certain types of leukocytes, especially T cells; infection with opportunistic infections that take advantage of the impaired immune response, such as tuberculosis, bacterial pneumonia, human herpes virus, or toxoplasmosis; […]
- AIDS dementia complex
AIDS dementia complex: A brain disorder in people with severe AIDS, causing loss of thinking capacity and affecting the ability to function. AIDS dementia complex is considered an AIDS-defining illness’that is, one of the serious illnesses that occurs in HIV-positive individuals warranting an AIDS diagnosis, according to the definition of AIDS by the Centers for […]
- AIDS wasting syndrome
AIDS wasting syndrome: The involuntary weight loss of 10% of baseline body weight plus either chronic diarrhea (two loose stools per day for more than 30 days) or chronic weakness and documented fever (for 30 days or more, intermittent or constant) in the absence of a concurrent illness or condition other than HIV infection that […]