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ectoderm

(Encyclopedia)ectoderm, layer of cells that covers the surface of an animal embryo after the process of gastrulation has occurred. This outer layer, together with the endoderm, or inner layer, is present in all ear...

spinal cord

(Encyclopedia)spinal cord, the part of the nervous system occupying the hollow interior (vertebral canal) of the series of vertebrae that form the spinal column, technically known as the vertebral column. Extending...

rabies

(Encyclopedia)rabies hīˌdrəfōˈbēə [key], acute viral infection of the central nervous system in dogs, bats, foxes, raccoons, skunks, and other animals, and in humans. The virus is transmitted from an animal ...

animal

(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...

Duparc, Henri

(Encyclopedia)Duparc, Henri äNrēˈ düpärkˈ [key], 1848–1933, French composer. Duparc studied piano with César Franck and became one of his first composition pupils. A nervous disorder caused him to cease co...

Erlanger, Joseph

(Encyclopedia)Erlanger, Joseph ûrˈlăng-ər [key], 1874–1965, American scientist, b. San Francisco, grad. Univ. of California (B.S., 1895), M.D. Johns Hopkins, 1899. For his contributions to physiology, especia...

Vitus, Saint

(Encyclopedia)Vitus, Saint vīˈtəs [key], 4th cent.?, Sicilian martyr. Vitus is invoked against diseases including epilipsy, nervous disorders, and St. Vitus' Dance (Sydenham's chorea). He is one of the Fourteen ...

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