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''troponin'' ▫ᴱᴺ｜Definition｜1st｜20260915215207-00-⌔
troponin - Wiktionary, the free dictionary
English
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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