troponin - Wiktionary, the free dictionary

English

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Noun

troponin (countable and uncountable, plural troponins)

  • (biochemistry, medicine, cardiology) 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.

Etymology

From tropomyosin. Coined by the Japanese researcher Setsuro Ebashi in 1963. [1]

Printed 2026-09-15.

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