troponin Syllabification: (tro·po·nin)Pronunciation: /ˈträpənən, ˈtrō-/Definition of troponin noun Biochemistry a globular protein complex involved in muscle contraction. It occurs with tropomyosin in the thin filaments of muscle tissue. Origin: 1960s: from tropomyosin + -n- + -in1troponin in other Oxford dictionaries Definition of troponin in the British & World English dictionary
