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aponeurosis

American  
[ap-uh-noo-roh-sis, -nyoo-] / ˌæp ə nʊˈroʊ sɪs, -nyʊ- /

noun

Anatomy.

plural

aponeuroses

  1. a whitish, fibrous membrane that connects a muscle to a bone or fascia.

aponeurosis British  
/ ˌæpənjʊəˈrɒtɪk, ˌæpənjʊəˈrəʊsɪs /

noun

  1. anatomy a white fibrous sheet of tissue by which certain muscles are attached to bones

"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

Other Word Forms

  • aponeurotic adjective

Etymology

Origin of aponeurosis

1670–80; < Greek aponeúrōsis the part of a muscle becoming a tendon, equivalent to aponeurō-, variant stem of aponeuroûn to change to tendon ( apo-, neuron ) + -sis -sis

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.