tropomyosin

noun

tropo·​my·​o·​sin ˌträ-pə-ˈmī-ə-sən  ˌtrō- 

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

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

Rhymes for tropomyosin

• actomyosin
• myosin
• niacin

Medical Definition

tropomyosin

noun

tro·​po·​my·​o·​sin ˌträp-ə-ˈmī-ə-sən  ˌtrōp- 

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