Coagulation Pathway
This is a diagram of the three pathways that make up the coagulation cascade. Terms include XII - Hageman factor, a serine protease; XI - plasma thromboplastin, antecedent serine protease; IX - Christmas factor, serine protease; VII - stable factor, serine protease; XIII - fibrin stabilizing factor, a transglutaminase; PL - platelet membrane phospholipid; Ca ++ - calcium ions; TF - tissue factor; a - active form.
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"Coagulation."
http://en.wikipedia.org/wiki/Coagulation%23The_coagulation_cascade
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