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sarcomere

[ sahr-kuh-meer ]
/ ˈsɑr kəˌmɪər /
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noun Biology.
any of the segments of myofibril in striated muscle fibers.
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Origin of sarcomere

First recorded in 1890–95; sarco- + -mere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sarcomere in a sentence

British Dictionary definitions for sarcomere

sarcomere
/ (ˈsɑːkəʊˌmɪə) /

noun
any of the units that together comprise skeletal muscle
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

Scientific definitions for sarcomere

sarcomere
[ särkə-mîr′ ]

The contractile unit of a skeletal muscle fiber. Sarcomeres are divided into bands of filaments made of actin or myosin. During muscle contraction, the filaments slide over each other to cause shortening of the sarcomere.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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