1. (Professions) a. a young foreigner, usually a girl, who undertakes housework in exchange for board and lodging, esp in order to learn the language. b. (as modifier): an au pair girl. 2. a young person who lives temporarily with a family abroad in exchange for a reciprocal arrangement with his or her own family.
Atherosclerotic Disease Heredity Mapped. Posted on June 17, 2013, 6 a.m. in Cardio-Vascular Genetics in Disease. People with a parent who has early atherosclerosis of the aorta have a significantly increased risk of developing the disease.
Atherosclerosis, or hardening of the arteries, is a condition in which plaque builds up inside the arteries. Plaque is made of cholesterol, fatty substances, cellular waste products, calcium and fibrin (a clotting material in the blood). Atherosclerosis is a type of arteriosclerosis.