>another coagulation cascade called the Extrinsic system operating in the soft tissues which is triggered by tissue thromboplastin and bypasses the intrinsic factors X, IX, VIII, etc.<
Actually, FX/FXa is at the fork of the two pathways, which also happens to be the key pivot point in one of the main feedback loops.
“The efficient-market hypothesis may be
the foremost piece of B.S. ever promulgated
in any area of human knowledge!”