Pressor Unit

**Semantic type:** Quantitative Concept

**Definition:** The activity of a pressor agent expressed as one pressor unit being equal to the activity of 0.5 milligram of the USP Standard Powdered Pituitary U.S.P., a USP posterior pituitary reference standard.

**Synonyms:** - PRESSOR UNITS - PRESSOR UNITS - PRESSOR UNITS - {PRESSOR} - {PRESSOR} - {Pressor} - {Pressor}