[ mahy-uh-fahy-bruh l, -fib-ruh l ]
/ ˌmaɪ əˈfaɪ brəl, -ˈfɪb rəl /
noun Cell Biology.
a contractile fibril of skeletal muscle, composed mainly of actin and myosin.
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Words nearby myofibril
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for myofibril
[ mī′ə-fī′brəl, -fĭb′rəl ]
One of the threadlike longitudinal fibrils occurring in a skeletal or cardiac muscle fiber.sarcostyle
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.