aponeurosis

noun

apo·​neu·​ro·​sis ˌa-pə-nu̇-ˈrō-səs 

-nyu̇-

: a broad flat sheet of dense fibrous collagenous connective tissue that covers, invests, and forms the terminations and attachments of various muscles

aponeurotic

ˌa-pə-nu-ˈrä-tik 

-nyu̇-

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

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

Medical Definition

aponeurosis

noun

apo·​neu·​ro·​sis ˌap-ə-n(y)u̇-ˈrō-səs 

plural aponeuroses -ˌsēz 

: 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

-ˈrät-ik 

adjective