myosin

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myosin

 [mi´o-sin]
one of the two main proteins of muscle. Myosin and actin are the proteins involved in contraction of muscle fibers.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

my·o·sin

(mī'ō-sin),
A globular protein present in muscle and in nonmuscle cells that has an ATPase activity; in combination with actin, it forms actomyosin; myosin forms the thick filaments in muscle.
Farlex Partner Medical Dictionary © Farlex 2012

myosin

(mī′ə-sĭn)
n.
Any of a class of proteins that bind with actin filaments and generate many kinds of cell movement, especially the contraction of myofibrils in muscle cells.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

my·o·sin

(mī'ō-sin)
A globulin present in muscle; in combination with actin, it forms actomyosin; myosin forms the thick filaments in muscle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

myosin

a protein found in the thick filaments of the SARCOMERES OF MUSCLE. Myosin combines with ACTIN to produce ACTOMYOSIN during contraction.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

my·o·sin

(mī'ō-sin)
A globulin present in muscle; in combination with actin, it forms actomyosin.
Medical Dictionary for the Dental Professions © Farlex 2012