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Dorset, Marion

(Encyclopedia)Dorset, Marion dôrˈsət [key], 1872–1935, American biochemist, b. Columbia, Tenn.; grad. Univ. of Tenn. (B.S., 1893) and Columbian (now George Washington) Univ. (M.D. 1896). He began working as a ...

Cohn, Ferdinand

(Encyclopedia)Cohn, Ferdinand fĕrˈdĕnänt kōn [key], 1828–98, German botanist. He is considered a founder of the science of bacteriology. From his early studies of microscopic life he developed theories of th...

atrophy

(Encyclopedia)atrophy ătˈrəfē [key], diminution in the size of a cell, tissue, or organ from its fully developed normal size. Temporary atrophy may occur in muscles that are not used, as when a limb is encased ...

Nicolle, Charles Jules Henri

(Encyclopedia)Nicolle, Charles Jules Henri shärl zhül äNrēˈ nēkôlˈ [key], 1866–1936, French physician and microbiologist. He worked with P. P. É. Roux in Paris and was director of the Pasteur Institute i...

Minot, George Richards

(Encyclopedia)Minot, George Richards mīˈnət [key], 1885–1950, American physician and pathologist, b. Boston, M.D. Harvard, 1912. From 1928 to 1948 he was professor of medicine at Harvard and director of the Th...

Laënnec, René Théophile Hyacinthe

(Encyclopedia)Laënnec, René Théophile Hyacinthe rənāˈ tāôfēlˈ yäsaNtˈ läānĕkˈ [key], 1781–1826, French physician. While connected with the Necker Hospital in Paris he invented the stethoscope, whi...

blood count

(Encyclopedia)blood count, method for determining the number of red (erythrocytes) and white (leukocytes) blood cells in a certain volume of blood. This test can be used as a preliminary step in diagnosing some dis...

tracheotomy

(Encyclopedia)tracheotomy trākēŏtˈəmē [key], surgical incision into the trachea, or windpipe. The operation is performed when the windpipe has become blocked, e.g., by the presence of some foreign object or b...

Rowley, Janet Davison

(Encyclopedia)Rowley, Janet Davison, 1925–2013, American physician and geneticist, b. New York City, M.D. Univ. of Chicago, 1948. Rowley was associated with the Univ. of Chicago from 1962, and was a full professo...

workers' compensation

(Encyclopedia)workers' compensation, payment by employers for some part of the cost of injuries, or in some cases of occupational diseases, received by employees in the course of their work. The degree of responsib...