Calcium [Chemical/Ingredient] C0006675 N0000006512 C23372 D002118 Calcium Blood Coagulation Factor IV Calcium Coagulation Factor IV Factor IV 1895 M0003153 A basic element found in nearly all organized tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Calcium Blood Coagulation Factors [Chemical/Ingredient] Metals, Alkaline Earth [Chemical/Ingredient]