café au lait spot

caffeine A stimulant compound found naturally in coffee, tea, cocoa (chocolate), and kola nuts (cola) and added to soft drinks, foods, and medicines. Caffeine can cause anxiety, insomnia, nervousness, and hypertension. Caffeine is a diuretic and increases urination. It can decrease a person’s ability to lose weight because it stimulates insulin secretion, which reduces blood…

caduceus

caesarean section A procedure in which an infant is surgically removed from the uterus rather than being born vaginally. Caesarean sections were performed in ancient civilizations to salvage babies upon the death of nearly full-term pregnant women. Julius Caesar is said to have been born by this procedure, hence the name. The term section in…

CAD

caduceus A staff with two snakes entwined about it, topped by a pair of wings. The caduceus was carried by the Greek messenger god Hermes, whose Roman counterpart was Mercury, and is therefore the sign of a herald. By a curious misconception, the caduceus also became the insignia of the US Army Medical Corps and…

CA 19–9

CA 125 Cancer antigen 125, a protein normally made by certain cells in the body, including those of the ovaries, Fallopian tubes, uterus, cervix, and lining of the chest and abdominal cavities (the pleura and peritoneum). When CA 125 is found in higher than normal amounts (more than 35 kU/ml), it is considered a marker…