Anticoagulant: Substance that prevents Blood from clotting by suppressing the synthesis or function of various clotting factors. Anticoagulants are given to prevent thrombosis and used in drawing and storing Blood.

• 抗凝血药: 加至血液中可以防止其凝结的药物。抗凝血药抑制正常存在于血液中的各种凝血因子的合成及其发挥功能,这些药物常用于防止动、静脉中血栓形成。