Standard Lemma guide

troponin

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biochemistry, biology, cardiology, chemistry, medicine, microbiology, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

10 source translations are retained for this English entry.

  • Catalan: troponina — regulatory protein of skeletal and cardiac muscle
  • Chinese Mandarin: 肌鈣蛋白 /肌钙蛋白 (jīgàidànbái) — regulatory protein of skeletal and cardiac muscle
  • Finnish: troponiini — regulatory protein of skeletal and cardiac muscle
  • French: troponine — regulatory protein of skeletal and cardiac muscle
  • Galician: troponina — regulatory protein of skeletal and cardiac muscle
  • Greek: τροπονίνη (troponíni) — regulatory protein of skeletal and cardiac muscle
  • Italian: troponina — regulatory protein of skeletal and cardiac muscle
  • Russian: тропонин (troponin) — regulatory protein of skeletal and cardiac muscle
  • Spanish: troponina — regulatory protein of skeletal and cardiac muscle
  • Turkish: troponin — regulatory protein of skeletal and cardiac muscle