Definition of prothrombin in English:

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prothrombin

Pronunciation: /prəʊˈθrɒmbɪn/

noun

[mass noun] Biochemistry
A protein present in blood plasma which is converted into active thrombin during coagulation.
Example sentences
  • 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.
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