- An enzyme formed from prothrombin that converts fibrinogen to fibrin.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A proteolytic enzyme formed from prothrombin that facilitates the clotting of blood by catalyzing conversion of fibrinogen to fibrin and that is used in the form of a powder as a topical hemostatic -- called also thrombase.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.