Fibrin
The fibrin is a Protéine filamentous exit of the Fibrinogène under the action of the Thrombine at the time of the blood Coagulation.
Fibrin (biochemistry, medicine). - One of the albuminoid matters of the blood, which normally contains of them 2 to 4%. The fibrin, which also meets in the lymph and, in general, in all the séreux exsudats, withdraws blood by beating. It is then appeared as white filaments; desiccated, it resembles horn. Moreover of carbon, hydrogen, oxygen and nitrogenize, it contains a little sulfur, magnesia and lime phosphates, lime carbonate. etc Soluble in a solution of sea salt, soda sulfate and phosphate, it coagulates by the acids.
Fibrin does not preexist in blood; it appears only at the time of coagulation. Coagulation is the transformation of fibrinogen, soluble during the life, into a substance which becomes insoluble and changes into fibrin while being linked with lime salts of plasma under the influence of the fibrin ferment. This fibrin ferment appears to come by decomposition from the leucocytes.
Fibrin must be considered, not like a matter of nutritive synthesis or a food, but like a substance of waste, a product excrémentitiel. Also fibrin is shown it especially abundant in overwork, the fever, in the muscle which worked much, etc
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