sarcomere
any of the segments of myofibril in striated muscle fibers.
Origin of sarcomere
1Words Nearby sarcomere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use sarcomere in a sentence
More myofibrils will increase the mass of a muscle cell while more sarcomeres will increase the length.
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British Dictionary definitions for sarcomere
/ (ˈsɑːkəʊˌmɪə) /
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
[ sär′kə-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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