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词汇 prothrombin
释义

Definition of prothrombin in English:

prothrombin

noun prəʊˈθrɒmbɪnproʊˈθrɑmbən
mass nounBiochemistry
  • A protein present in blood plasma which is converted into active thrombin during coagulation.

    〔生化〕凝血酶原,第二因子

    Example sentencesExamples
    • Indicated tests include a complete blood cell count with platelet count, a peripheral blood smear, and prothrombin and activated partial thromboplastin times.
    • Contact with tissue factor triggers the coagulation cascade, resulting in the conversion of prothrombin to active thrombin.
    • 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.
    • The next to last step in this chain is the activation of the circulating proenzyme prothrombin into its active form, thrombin.
    • This complex activates prothrombin to thrombin in the presence of calcium ions.

Definition of prothrombin in US English:

prothrombin

nounprōˈTHrämbənproʊˈθrɑmbən
Biochemistry
  • A protein present in blood plasma which is converted into active thrombin during coagulation.

    〔生化〕凝血酶原,第二因子

    Example sentencesExamples
    • The next to last step in this chain is the activation of the circulating proenzyme prothrombin into its active form, thrombin.
    • Indicated tests include a complete blood cell count with platelet count, a peripheral blood smear, and prothrombin and activated partial thromboplastin times.
    • 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.
    • 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.
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