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BRCA gene

(Encyclopedia)BRCA gene: see breast cancer.

amnesia

(Encyclopedia)amnesia ămnēˈzhə [key], [Gr.,=forgetfulness], condition characterized by loss of memory for long or short intervals of time. It may be caused by injury, shock, senility, severe illness, or mental ...

Mackenzie, Sir Morell

(Encyclopedia)Mackenzie, Sir Morell, 1837–92, English physician and laryngologist. A skillful surgeon, he was called to Germany to treat the crown prince (later Frederick III, emperor of Germany), who eventually ...

man-o'-war bird

(Encyclopedia)man-o'-war bird or frigate-bird, most aerial of the water birds, found in the tropic seas. The man-o'-war bird's wingspread (71⁄2 ft/228.5 cm) is the largest in proportion to its body (3–4 lb/1.4�...

sunburn

(Encyclopedia)sunburn, inflammation of the skin caused by actinic rays from the sun or artificial sources. Moderate exposure to ultraviolet radiation is followed by a red blush, but severe exposure may result in bl...

cellular telephone

(Encyclopedia)cellular telephone or cellular radio, telecommunications system in which a portable or mobile radio transmitter and receiver, or “cellphone,” is linked via microwave radio frequencies to base tran...

fallout

(Encyclopedia)fallout, minute particles of radioactive material produced by nuclear explosions (see atomic bomb; hydrogen bomb; Chernobyl) or by discharge from nuclear-power or atomic installations and scattered th...

Fibiger, Johannes

(Encyclopedia)Fibiger, Johannes yôhäˈnəs fēˈbēgər [key], 1867–1928, Danish pathologist and physician. He served as professor of pathological anatomy at the Univ. of Copenhagen. For his experimental studie...

McLennan, Sir John Cunningham

(Encyclopedia)McLennan, Sir John Cunningham, 1867–1935, Canadian physicist, grad. Univ. of Toronto (B.A., 1892; Ph.D., 1900). He taught at the Univ. of Toronto from 1892 to 1932, was professor of physics from 190...

monoclonal antibody

(Encyclopedia)monoclonal antibody, an antibody that is mass produced in the laboratory from a single clone and that recognizes only one antigen. Monoclonal antibodies are typically made by fusing a normally short-l...