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adenoids

(Encyclopedia)adenoids ădˈənoidzˌ [key], common name for the pharyngeal tonsils, spongy masses of lymphoid tissue that occupy the nasopharynx, the space between the back of the nose and the throat. Normally the...

cyanosis

(Encyclopedia)cyanosis sīˌənōˈsĭs [key], bluish coloration of the skin, mucous membranes, and nailbeds, resulting from a lack of oxygenated hemoglobin in the blood. It is a symptom of many disorders, includin...

affenpinscher

(Encyclopedia)affenpinscher ăfˈənpĭnˌshər [key], breed of toy dog perfected in Europe at the end of the 19th cent. It stands from 8 to 10 in. (20.3–25.4 cm) high at the shoulder and weighs about 8 lb (3.6 k...

Brussels griffon

(Encyclopedia)Brussels griffon, breed of sturdy toy dog developed in Belgium in the 18th and 19th cent. It stands about 8 in. (20.3 cm) high at the shoulder and weighs from 6 to 12 lb (2.7–5.5 kg). There are two ...

sulfur dioxide

(Encyclopedia)sulfur dioxide, chemical compound, SO2, a colorless gas with a pungent, suffocating odor. It is readily soluble in cold water, sparingly soluble in hot water, and soluble in alcohol, acetic acid, and ...

Triceratops

(Encyclopedia)Triceratops trīsĕrˈətŏps [key] [Gr., = three-horn face], genus of ornithischian quadruped dinosaurs of the late Cretaceous period. Because of some variations in sample fossils, it was thought...

Punch and Judy

(Encyclopedia)Punch and Judy, famous English puppet play, very popular with children and given widely by strolling puppet players, especially during the Christmas season. It came to England in the 17th cent. by way...

cretinism

(Encyclopedia)cretinism krēˈtənĭzˌəm [key], condition produced in infants and children due to lack of thyroid hormone. It usually results from a congenital defect (e.g., absence of the thyroid, presence of on...

Buck, Linda B.

(Encyclopedia)Buck, Linda B., 1947–, American neurobiologist, b. Seattle, Wash., Ph.D. Univ. of Texas Southwestern Medical Center, 1980. Buck taught at Harvard Medi...

rinderpest

(Encyclopedia)rinderpest or cattle plague, an acute and highly infectious viral disease of cattle. It less frequently affects other ruminants, such as sheep, goats, and wild game. After an incubation period of thre...

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