noun🔗ShareTrombinaAn enzyme in blood that facilitates blood clotting by converting fibrinogen to fibrin (by means of ionized calcium)."When Michael cut his finger, thrombin activated the conversion of fibrinogen to fibrin, starting the process that formed a blood clot and stopped the bleeding. "Cuando Michael se cortó el dedo, la trombina activó la conversión de fibrinógeno a fibrina, iniciando el proceso que formó un coágulo sanguíneo y detuvo la hemorragia.medicinephysiologybiochemistrybiologyanatomyChat with AIVocabulary GamePractice Reading