myofibril

myofibril definition - medical

my·o·fi·bril (mīˌə-fīˈbrəl, -fĭbˈrəl)

noun
One of the threadlike longitudinal fibrils occurring in a skeletal or cardiac muscle fiber. Also called sarcostyle.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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