| proconvertin | <chemical> Heat- and storage-stable plasma protein that is activated by tissue thromboplastin to form factor viia in the extrinsic pathway of blood coagulation. The activated form then catalyses the activation of factor x to factor xa. Chemical name: Blood-coagulation factor VII (12 Dec 1998) |
|---|
| prothrombin and proconvertin test | A test formerly used by some to control anticoagulant therapy with bishydroxycoumarin and indandione drugs. Synonym: P and P test. (05 Mar 2000) |
|---|