NIH Unit of Thrombin Inhibited/Square Centimeter

**Semantic type:** Quantitative Concept

**Definition:** A quantitative unit of measurement for thrombin inhibition per unit suface area in square centimeters. One NIH unit equals 1.1 to 1.3 International Units of thrombin. The variance depends on the assay.

**Synonyms:** - NIH unit/cm2 - NIH units of thrombin inhibited/square centimeter - NIH units/cm2