aponeurosis

[ ap-uh-noo-roh-sis, -nyoo- ]

/ ˌæp ə nʊˈroʊ sɪs, -nyʊ- /

noun, plural ap·o·neu·ro·ses [ap-uh-noo-roh-seez, -nyoo-] /ˌæp ə nʊˈroʊ siz, -nyʊ-/. Anatomy.

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

Nearby words

apomict, apomixis, apomorphine, aponeurectomy, aponeurorrhaphy, aponeurosis, aponeurositis, aponeurotic fibroma, aponeurotomy, apopemptic, apophasis

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 (see apo-, neuron) + -sis -sis

Related forms

ap·o·neu·rot·ic

[ap-uh-noo-rot-ik, -nyoo-] /ˌæp ə nʊˈrɒt ɪk, -nyʊ-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aponeurosis

This series of muscle slips from the thoracic ribs attaches to the aponeurosis covering the lungs.
Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae|Marion Anne Jenkinson
The aponeurosis crosses the medial side of the insertion of M. pterygoideus dorsalis medialis.
Jaw Musculature of the Mourning and White-winged Doves|Robert L. Merz
Cellulitis beneath the aponeurosis from mixed infection is a dangerous complication.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.|Alexander Miles
The aponeurosis is the same that gives origin to the fibers of pars lateralis.
Jaw Musculature of the Mourning and White-winged Doves|Robert L. Merz

The lateral tendon of M. pseudotemporalis superficialis converges with the aponeurosis.
Jaw Musculature of the Mourning and White-winged Doves|Robert L. Merz

British Dictionary definitions for aponeurosis

aponeurosis

/ (ˌæpənjʊəˈrəʊsɪs) /

noun plural -ses (-siːz)

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

Derived Forms

aponeurotic (ˌæpənjʊəˈrɒtɪk), adjective

Word Origin for aponeurosis

C17: via New Latin from Greek, from aponeurousthai to change into a tendon, from neuron tendon

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

Medicine definitions for aponeurosis

aponeurosis

[ ăp′ə-nu-rō′sĭs ]

n.

A sheetlike fibrous membrane resembling a flattened tendon that serves as a fascia to bind muscles together or to connect muscle to bone.

Related forms

ap′o•neu•rot′ic (-rŏt′ĭk) adj.