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mouth

(Encyclopedia)mouth, entrance to the digestive and respiratory tracts. The mouth, or oral cavity, is ordinarily a simple opening in lower animals; in vertebrates it is a more complex structure. In humans, the mouth...

Bramante, Donato

(Encyclopedia)Bramante, Donato dōnäˈtō brämänˈtā [key], 1444–1514, Italian Renaissance architect and painter, b. near Urbino. His buildings in Rome are considered the most characteristic examples of High ...

proline

(Encyclopedia)CE5 proline prōˈlēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not essential to the human d...

wings

(Encyclopedia)CE5 A. Structure of a bird wing B. Structure of a bat wing wings, flight organs of the bird, the bat, and the insect. Birds' wings are pectoral appendages that are basically the same in skeletal...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...

Eustachi, Bartolomeo

(Encyclopedia)Eustachi, Bartolomeo bärˌtōlōmĕˈō āˌo͞ostäˈkē [key], d. 1574, Italian anatomist. He lived in Rome from 1549 and taught at the Collegia della Sapienza (later the Univ. of Rome). He describ...

facade

(Encyclopedia)facade fəsädˈ [key], exterior face or wall of a building. The term implies ordered placement of its openings and other features and thus seems inapplicable to a wall without design. Any freestandin...

Herophilus

(Encyclopedia)Herophilus hĭrŏfˈələs [key], fl. 300 b.c., Greek anatomist, called by some the father of scientific anatomy. A contemporary of Erasistratus at Alexandria, he made public dissections, comparing hu...

Fortes, Meyer

(Encyclopedia)Fortes, Meyer, 1906–83, British anthropologist, b. Britstown, South Africa, grad. Univ. of Cape Town (M.A., 1926) and the Univ. of London (Ph.D., 1930). From 1946 to 1950 he was a reader in social a...

Mottelson, Benjamin Roy

(Encyclopedia)Mottelson, Benjamin Roy, 1926–, Danish physicist, b. Chicago, Ph.D. Harvard, 1950. Raised and educated in the United States, he moved to Denmark, where he began work as a nuclear physicist. Mottelso...