Kallikrein Inhibitor Unit

**Semantic type:** Quantitative Concept

**Definition:** One Kallikrein Inhibitor Unit is identical to the quantity of protease inhibitor (eg, aprotinin) that has the ability to inhibit two kallikrein units by 50% under optimal conditions. One Kallikrein Inhibitor Unit is equal to 0.025 antiplasmin units or 0.0031 trypsin inhibitor units.

**Synonyms:** - KALLIKREIN INHIBITOR UNIT - KALLIKREIN INHIBITOR UNIT - KALLIKREIN INHIBITOR UNIT - KIU - Kallikrein Inactivator Unit - {KALLIKREIN INHIBITOR} - {KALLIKREIN INHIBITOR} - {Kallikrein Inhibitor} - {Kallikrein Inhibitor}