Observed Steady State Volume of Distribution

**Semantic type:** Quantitative Concept

**Definition:** An estimate of the volume of distribution at steady state, which is the mean residence time (MRT) extrapolated to infinity times steady state clearance (MRTINF*Clss), based on the last observed concentration.

**Synonyms:** - VSSO - Vol Dist Steady State Obs - Vol Dist Steady State Obs