myosin
noun
my·o·sin
| \ ˈmī-ə-sən
\
\
Definition of myosin
: a fibrous globulin of muscle that can split ATP and that reacts with actin in muscle contraction to form actomyosin
Examples of myosin in a Sentence
Recent Examples on the Web
Nearly all multicellular animals, except for simple ones like sponges, depend on muscles to move, and all their muscles use some form of contracting fibers in which filaments of the proteins actin and myosin pull past one another to generate force. — Quanta Magazine, "Too Small for Big Muscles, Tiny Animals Use Springs," 13 June 2018 Hundreds or thousands of amino acids are linked together to form proteins such as insulin, collagen, dystrophin, myosin, and the thousands of others needed for life. — Sharon Begley, STAT, "Genome ‘writers’ set their first goal: recoding human cells to resist viruses," 1 May 2018 That means making sure the cells have myosin and actin — two proteins that are key to forming the cellular cytoskeleton, and to building muscle filaments. — Noah Shachtman, WIRED, "Pentagon Plan to Regrow Limbs: Phase One, Complete," 25 Mar. 2009These example sentences are selected automatically from various online news sources to reflect current usage of the word 'myosin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for myosin
myosin
noun
my·o·sin
| \ ˈmī-ə-sən
\
\
Medical Definition of myosin
1
: actomyosin
2
: a fibrous globulin of muscle that can split ATP and that reacts with actin to form actomyosin
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