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sleep apnea

(Encyclopedia)sleep apnea, episodes of interrupted breathing during sleep. Obstructive sleep apnea is a common disorder in which relaxation of muscles in the throat repeatedly close off the airway during sleep; the...

Li Tsung-jên

(Encyclopedia)Li Tsung-jên lē dzo͞ong-jŭn [key], 1890–1969, Chinese Nationalist general and political leader. For 25 years (1925–49) he was a leader of the military clique that ruled Guangxi prov. The Guang...

Arrokoth

(Encyclopedia)Arrokoth, trans-Neptunian object in the Kuiper Belt (see comet). First observed by the Hubble Space Telescope in 2014 and later nicknamed Ultima Thule (until its official naming in late 2019), it beca...

Morisot, Berthe

(Encyclopedia)Morisot, Berthe bĕrt môrēzōˈ [key], 1841–95, French impressionist painter. She studied with many gifted painters, including Corot. She formed a close friendship with Manet, who became her broth...

meninges

(Encyclopedia)CE5 Meninges: Section of spine showing meningeal layers meninges mĭnĭnˈjēz [key], three membranous layers of connective tissue that envelop the brain and spinal cord (see nervous system). The ...

Menninger, Karl Augustus

(Encyclopedia)Menninger, Karl Augustus mĕnˈĭngər [key], 1893–1990, and William Claire Menninger, 1899–1966, American psychiatrists, brothers, b. Topeka, Kans. The Menninger Clinic, conceived with the idea o...

frogmouth

(Encyclopedia)frogmouth, common name for small, owllike birds of the family Podargidae, ranging in size from 9 to 21 in. (22.5–52.5 cm). Their soft plumage is a mottled gray-brown in color with little distinction...

Innocent VIII

(Encyclopedia)Innocent VIII, 1432–92, pope (1484–92), a Genoese named Giovanni Battista Cibo; successor of Sixtus IV. He was made a cardinal in 1473. His close friend, Cardinal Giuliano della Rovere (later Pope...

Jaafari, Ibrahim al-

(Encyclopedia)Jaafari, Ibrahim al- ēbrähēmˈ äl-jäˈfärē [key], 1947–, Iraqi political leader, b. Karbala as Ibrahim al-Eshaiker. A Shiite, a physician, and the leader of the Dawa religious party, he fled ...

kagu

(Encyclopedia)kagu käˈgo͞o [key], common name for a long-legged, heronlike bird, Rhynochetos jubatus. It has a loose, gray plumage with darker bandings; broad, rounded wings marked with white, black, and red; an...