troponin


tro·po·nin

noun \ˈtrō-pə-nən, ˈträ-, -ˌnin\

Definition of TROPONIN

:  a protein of muscle that together with tropomyosin forms a regulatory protein complex controlling the interaction of actin and myosin and that when combined with calcium ions permits muscular contraction

Origin of TROPONIN

by shortening & alteration from tropomyosin
First Known Use: 1966

tro·po·nin

noun \ˈtrōp-ə-nən, ˈträp-, -ˌnin\   (Medical Dictionary)

Medical Definition of TROPONIN

: a protein of muscle that together with tropomyosin forms a regulatory protein complex controlling the interaction of actin and myosin and that when combined with calcium ions permits muscular contraction

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