Fibrin

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Fibrin is an insoluble thread-like molecule. Fibrin is involved in the third and final stage of haemostasis (the stopping of haemorrhage), when the blood forms a solid gel (a clot), from a liquid. During blood coagulation, thrombin converts soluble fibrinogen into fibrin monomers, and then the monomers undergo polymerisation to form the clot. This involves active factor XIII and calcium ions[1]

References

  1. Dr Chris Baldwin, 2013, PSC1001 Physiology – Lecture 4, Newcastle University.
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