The last two are also known by the names of Fletcher and Fitzgerald respectively, after the names of their discoverers.
The last two are also known by the names of Fletcher and Fitzgerald respectively, after the names of their discoverers. The other names associated with them include Stuart and Hageman, which denote the 10th and 12th ones. Absence of the 9th gives rise to Christmas disease, and the only element among their number is Calcium, which is required for activation of many of the others. Four of them can only be synthesized in the presence of vitamin K, and they can be activated by either the intrinsic or extrinsic pathways. Including mostly proteins such as fibrinogen and prothrombin, For 10 points, name these substances, which as their name suggests, partake in the coagulation of blood.
The last two are also known by the names of Fletcher and Fitzgerald respectively, after the names of their discoverers.
{clotting factors} (accept {coagulation factors} before “coagulation” is mentioned)