(Encyclopedia) TiresiasTiresiastīrēˈshəs, –sēəs [key], in Greek mythology, a blind soothsayer who appears in many legends. According to one myth, when he saw Athena bathing she blinded him, but by…
(Encyclopedia) Spemann, HansSpemann, Hanshäns shpāˈmän [key], 1869–1941, German embryologist. He was professor of zoology (1919–35) at the Univ. of Freiburg. By transplanting embryonic tissue to a…
(Encyclopedia) Geissler tubeGeissler tubegīsˈlər [key], gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow…
(Encyclopedia) OrpheusOrpheusôrˈfēəs, ôrˈfy&oomacr;s [key], in Greek mythology, celebrated Thracian musician. He was the son of Calliope by Apollo or, according to another legend, by Oeagrus, a…
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CE5
Apsis points, or apsides, in the earth's orbit: At perihelion the earth is closest to the sun and at aphelion it is farthest from the sun.
apsis (pl. apsides), point in the…
(Encyclopedia) exchange, mutual transfer of goods, money, services, or their equivalents; also the marketplace where such transfer occurs, such as a stock exchange or a commodity exchange (see…
(Encyclopedia) pollination, transfer of pollen from the male reproductive organ (stamen or staminate cone) to the female reproductive organ (pistil or pistillate cone) of the same or of another…
(Encyclopedia) rabbit, name for herbivorous mammals of the family Leporidae, which also includes the hare and the pika. Rabbits and hares have large front teeth, short tails, and large hind legs and…
(Encyclopedia) neurotransmitter, chemical that transmits information across the junction (synapse) that separates one nerve cell (neuron) from another nerve cell or a muscle. Neurotransmitters are…
(Encyclopedia) incense-tree, common name for members of the Burseraceae, a family of sometimes deciduous shrubs and large trees found chiefly in tropical America and NE Africa. The name derives from…
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