| 释义 |
extraction ratio ex·trac·tion ra·ti·o (E), the fraction of a substance removed from the blood flowing through the kidney or other organ; it is calculated from the formula (A-V)/A, where A and V, respectively, are the concentrations of the substance in arterial and venous plasma draining from the organ.ex·trac·tion ra·ti·o (E) (ek-strak'shŭn rā'shē-ō) The fraction of a substance removed from the blood flowing through the kidney. |