aponeurosis

noun

apo·​neu·​ro·​sis ˌa-pə-nu̇-ˈrō-səs How to pronounce aponeurosis (audio)
-nyu̇-
: a broad flat sheet of dense fibrous collagenous connective tissue that covers, invests, and forms the terminations and attachments of various muscles
aponeurotic adjective

Examples of aponeurosis in a Sentence

Recent Examples on the Web The most popular kind of face-lift is known as the SMAS, which stands for subcutaneous muscular aponeurosis system. Jessica Matlin, Harper's BAZAAR, 29 Nov. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'aponeurosis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from Greek aponeurōsis, from aponeurousthai to pass into a tendon, from apo- + neuron sinew — more at nerve

First Known Use

1676, in the meaning defined above

Time Traveler
The first known use of aponeurosis was in 1676

Dictionary Entries Near aponeurosis

Cite this Entry

“Aponeurosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aponeurosis. Accessed 19 Mar. 2024.

Medical Definition

aponeurosis

noun
apo·​neu·​ro·​sis ˌap-ə-n(y)u̇-ˈrō-səs How to pronounce aponeurosis (audio)
plural aponeuroses -ˌsēz How to pronounce aponeurosis (audio)
: any of the broad flat sheets of dense fibrous collagenous connective tissue that cover, invest, and form the terminations and attachments of various muscles
aponeurotic adjective

More from Merriam-Webster on aponeurosis

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