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athetosis

[ath-i-toh-sis]
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noun Pathology.
  1. 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
Related formsath·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. 2018

Examples from the Web for athetosis

Historical Examples

  • More unusual is the rhythmical closing and opening of the hand, successively, of athetosis.

    A System of Practical Medicine by American Authors, Vol. I

    Various


British Dictionary definitions for athetosis

athetosis

noun
  1. pathol a condition characterized by uncontrolled rhythmic writhing movement, esp of fingers, hands, head, and tongue, caused by cerebral lesion
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Derived Formsathetoid, adjective

Word Origin

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

Word Origin and History for athetosis

n.

1871, from Greek athetos "not fixed, without position or place, set aside" + -osis. Coined by U.S. nerve specialist William Alexander Hammond (1828-1900).

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Online Etymology Dictionary, © 2010 Douglas Harper

athetosis in Medicine

athetosis

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