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athetosis

[ ath-i-toh-sis ]
/ ˌæθ ɪˈtoʊ sɪs /
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noun Pathology.

a condition, chiefly in children, of slow, involuntary, wormlike movements of the fingers, toes, hands, and feet, usually resulting from a brain lesion.

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Origin of athetosis

1870–75; <Greek áthet(os) not placed (a-a-6 + thetós, equivalent to the- (stem of tithénai to set, put) + -tos verbid suffix) + -osis
ath·e·to·sic, ath·e·tot·ic [ath-i-tot-ik], /ˌæθ ɪˈtɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for athetosis

athetosis
/ (ˌæθəˈtəʊsɪs) /

noun

pathol a condition characterized by uncontrolled rhythmic writhing movement, esp of fingers, hands, head, and tongue, caused by cerebral lesion
athetoid, adjective
C19: from Greek athetos not in place, from a- 1 + tithenai to place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for athetosis

athetosis
[ ăth′ĭ-tōsĭs ]

n.

A constant succession of slow, writhing, involuntary movements of flexion, extension, pronation, and supination of fingers and hands, and sometimes of toes and feet.
athe•toid′ null null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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