What does "troponin" mean?

A heterotrimeric regulatory protein complex found in the thin filaments of striated muscle fibers, including both skeletal and cardiac muscle, that controls calcium-mediated muscle contraction.

Troponin

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A heterotrimeric regulatory protein complex found in the thin filaments of striated muscle fibers, including both skeletal and cardiac muscle, that controls calcium-mediated muscle contraction. countable, uncountable

Etymology

From tropomyosin. Coined by the Japanese researcher Setsuro Ebashi in 1963.http://jb.oxfordjournals.org/content/vol59/issue4/index.dtl

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.