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myofibril

[mahy-uh-fahy-bruh l, -fib-ruh l] /ˌmaɪ əˈfaɪ brəl, -ˈfɪb rəl/
noun, Cell Biology.
1.
a contractile fibril of skeletal muscle, composed mainly of actin and myosin.
Origin of myofibril
1895-1900
First recorded in 1895-1900; myo- + fibril
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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myofibril in Medicine

myofibril my·o·fi·bril (mī'ə-fī'brəl, -fĭb'rəl)
n.
One of the threadlike longitudinal fibrils occurring in a skeletal or cardiac muscle fiber. Also called sarcostyle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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