Amebic colitis: Amebic dysentery with ulcers in the colon from infection with the ameba Entamoeba histolytica. This single-celled parasite is transmitted to humans via contaminated water and food.
- Amebic dysentery
Amebic dysentery: Inflammation of the intestine due to infection with the ameba Entamoeba histolytica. Amebic dysentery can be accompanied by amebic infection of the liver and other organs.
Amelanotic: Without melanin. A skin lesion that is amelanotic lacks the pigment melanin and, therefore, is essentially colorless.
- Amelanotic melanoma
Amelanotic melanoma: A colorless melanoma that is detectable only on close examination of the skin.
Amelioration: Improvement in a patient’s condition, or the activity of making an effort to correct, or at least make more acceptable, conditions that are difficult to endure related to patient’s conditions.
Amenia: Better known as amenorrhea, amenia is the absence or cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary amenorrhea. With primary amenorrhea, menstruation never takes place. It fails to occur at puberty. With secondary amenorrhea, menstruation starts but then stops. The absence of menstruation during pregnancy is a form of physiologic amenorrhea, […]