Fibrin in a sentence as a noun

Isn't it just basically collagen with some fibrin/laminin thrown into?

It is then stabilized by the coagulation process: the irreversible binding of fibrinogen into a fibrine mesh.

Fibrin definitions

noun

a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets