tropomyosin

noun
tropo·​my·​o·​sin | \ˌträ-pə-ˈmī-ə-sən, ˌtrō-\

Definition of tropomyosin 

: a protein of muscle that forms a complex with troponin regulating the interaction of actin and myosin in muscular contraction

Examples of tropomyosin in a Sentence

Recent Examples on the Web

In February, for example, Hyman and co-authors reported in The New England Journal of Medicine that a drug aimed at genes known as tropomyosin receptor kinase (TRK) fusions works for many tumor types. Jocelyn Kaiser, Science | AAAS, "A cancer drug tailored to your tumor? Experts trade barbs over ‘precision oncology’," 24 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tropomyosin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tropomyosin

1946, in the meaning defined above

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The first known use of tropomyosin was in 1946

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More Definitions for tropomyosin

tropomyosin

noun
tro·​po·​my·​o·​sin | \ˌträp-ə-ˈmī-ə-sən, ˌtrōp- \

Medical Definition of tropomyosin 

: a protein of muscle that forms a complex with troponin regulating the interaction of actin and myosin in muscular contraction

More from Merriam-Webster on tropomyosin

Britannica.com: Encyclopedia article about tropomyosin

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