Cells release enzymes {thromboplastin}. In second blood-clotting step, thromboplastin, calcium, and factors X, VII, XII, XI, IX, VIII, and V convert thrombinogen to thrombin. Then thrombin converts fibrinogen to fibrin, in four to ten minutes. Heparin and dicumarol prevent making fibrin. Bile deficiency prevents vitamin-K absorption and prevents making fibrin, by decreasing liver proteins.
Biological Sciences>Zoology>Organ>Blood>Clotting
4-Zoology-Organ-Blood-Clotting
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224