tropomyosin

noun

tropo·​my·​o·​sin ˌträ-pə-ˈmī-ə-sən How to pronounce tropomyosin (audio)
ˌtrō-
: 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, 24 Apr. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tropomyosin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

tropo- + myosin

Note: Name introduced by the British biochemist Kenneth Bailey (1909-63) in "Tropomyosin: a new asymmetric protein component of muscle," Nature, vol. 157, issue 3986 (March 23, 1946), pp. 368-69.

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of tropomyosin was in 1946

Dictionary Entries Near tropomyosin

Cite this Entry

“Tropomyosin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tropomyosin. Accessed 21 Jul. 2024.

Medical Definition

tropomyosin

noun
tro·​po·​my·​o·​sin ˌträp-ə-ˈmī-ə-sən How to pronounce tropomyosin (audio) ˌtrōp- How to pronounce tropomyosin (audio)
: 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

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