Brown, Louise: The world’s first test-tube baby, conceived by in vitro fertilization and born on July 25, 1978.
- Brown, Michael Stuart
Brown, Michael Stuart: American physician, biochemist and molecular geneticist (1941-) who shared the Nobel Prize for research on cholesterol. Brown earned his B.A. from the University of Pennsylvania in 1962, and received his M.D. in 1966. After an internship at the Massachusetts General Hospital in Boston (1966-68), he came to the National Institutes of Health […]
An infectious disease characterized by rising and lowering (undulant) fever, sweating, muscle and joint pains, and weakness. Brucellosis is caused by the bacterium Brucella, which can be transmitted in unpasteurized milk from cattle, sheep, and goats; cheese made from this unpasteurized milk; and contact with diseased animals. Antibiotics are used to treat Brucellosis. Also known […]
- Bruce protocol
Bruce protocol: A standardized multistage treadmill test for assessing cardiovascular health, The test was developed and described in 1963 by the American cardiologist Robert A. Bruce (1916-2004). According to the original Bruce protocol, the patient walks on an uphill treadmill in a graded exercise test with electrodes on the chest to monitor the EKG. Every […]
Injury of the soft tissues that results in breakage of the local capillaries and leakage of red blood cells. In the skin it can be seen as a reddish-purple discoloration that does not blanch when pressed. When a bruise fades, it becomes green and brown, as the body metabolizes the blood cells in the skin. […]
Bruit: A sound heard over an artery or vascular channel, reflecting turbulence of flow. Most commonly, a bruit is caused by abnormal narrowing of an artery. Listening for a bruit in the neck with a stethoscope is a simple way to screen for narrowing (stenosis) of the carotid artery, which can be a result of […]