Thromboplastin

**Definition:** Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic pathway of blood coagulation.

**Tree numbers:** - D12.776.124.125.900 - D23.119.965

**Synonyms:** - Coagulin - Factor III - Glomerular Procoagulant Activity - Prothrombinase - Tissue Factor - Tissue Factor Procoagulant - Tissue Thromboplastin - Urothromboplastin - Blood Coagulation Factor III - CD142 Antigens - Coagulation Factor III - Antigens, CD142