fibrin

(fibrin). A whitish protein from the blood and the serous fluids of the body. It is seen in elastic fibrillar ma es; insoluble in water, but soluble in dilute acids and alkalis. It is formed from fibrinogen by the action of a ferment in the blood. canalized f., a peculiar hyaline substance traversed by numerous channels occurring in the region of the chorion frondosum in the fetus. f. factors, fibrinogen and para globulin. gluten-f., a form of fibrin from the seeds of various plants Henle’s f., fibrin formed by 24 Per-