单词	prothrombin
释义	prothrombin /prəʊˈθrɒmbɪn / noun [mass noun] Biochemistry A protein present in blood plasma which is converted into active thrombin during coagulation.Contact with tissue factor triggers the coagulation cascade, resulting in the conversion of prothrombin to active thrombin.... This complex activates prothrombin to thrombin in the presence of calcium ions. Years ago we said fibrinogen (a soluble protein) becomes a clot of insoluble fibrin by the action of thrombin made from soluble prothrombin in the presence of calcium.
随便看	electrotherapeutic electrotherapeutical electrotherapeutics electrotherapist electrotherapy electrothermal electrothermic electrothermy electrotin electrotinning electro-tinplate electro-tin plating electrotint electrotonic electrotonically electrotonicity electrotonus electrotractor electrotransfer electrotropic electrotropism electrotype electrotyper electrotypist electrovalence

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