Table of Contents
1. thrombin
noun. an enzyme that acts on fibrinogen in blood causing it to clot.
Featured Games
Sentences with thrombin
1. Noun, singular or mass
Platelets are activated by a substance called thrombin and begin to gather at the site of injury to form a temporary plug.
2. Verb, base form
Several factors in the blood activate prothrombin**, which is then converted to thrombin.