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Atwater, Wilbur Olin
(Encyclopedia)Atwater, Wilbur Olin, 1844–1907, American agricultural chemist, b. Johnsburg, N.Y. He was professor at several American universities and helped to set up and later became director of the first state...Sanctorius
(Encyclopedia)Sanctorius săngktôrˈēəs [key], Ital. Santorio, 1561–1636, Italian physiologist. He was a professor at Padua (1611–24). By his quantitative experiments in temperature, respiration, and weight,...lancelet
(Encyclopedia)lancelet, name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus...Warburg, Otto Heinrich
(Encyclopedia)Warburg, Otto Heinrich ŏtˈō hīnˈrĭkh värˈbo͝orkh [key], 1883–1970, German physiologist. He was director (1931–53) of the Kaiser Wilhelm Institute (now Max Planck Institute) for cell physi...Krogh, Schack August Steenberg
(Encyclopedia)Krogh, Schack August Steenberg shäk ouˈgo͝ost stānˈbĕrg krôkh [key], 1874–1949, Danish physiologist. He taught at the Univ. of Copenhagen (1916–45) and studied respiration, circulation, and...sea mouse
(Encyclopedia)sea mouse, marine worm of the genus Aphrodite with a short, broad, segmented body, found in moderately deep water. The upper, or dorsal, surface of a sea mouse bears 15 pairs of raised scales; the spa...strychnine
(Encyclopedia)strychnine strĭkˈnĭn [key], bitter alkaloid drug derived from the seeds of a tree, Strychnos nux-vomica, native to Sri Lanka, Australia, and India. It has been used as a rat poison for five centuri...biosphere
(Encyclopedia)biosphere, irregularly shaped envelope of the earth's air, water, and land encompassing the heights and depths at which living things exist. The biosphere is a closed and self-regulating system (see e...Borelli, Giovanni Alfonso
(Encyclopedia)Borelli, Giovanni Alfonso jōvänˈnē älfônˈsō bôrĕlˈlē [key], 1608–79, Italian physiologist, physicist, astronomer, and mathematician; son of a Spanish infantryman. His wide interests led ...hiccup
(Encyclopedia)hiccup or hiccough, involuntary spasmodic contraction of the diaphragm followed by a sharp intake of air, which is abruptly stopped by a sudden, involuntary closing of the glottis (opening between the...Browse by Subject
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