Renal clearance ratio
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Physiology_of_Nephron.png/300px-Physiology_of_Nephron.png)
Diagram showing the basic physiologic mechanisms of the kidney
The renal clearance ratio or fractional excretion is a relative measure of the speed at which a constituent of urine passes through the kidneys.[1][2] It is defined by following equation:
- X is the analyte substance
- Cx is the renal plasma clearance of X
- Cin is the renal plasma clearance of inulin.
Creatinine is sometimes used instead of inulin as the reference substance.
See also[]
References[]
- ^ Rudolfs K. Zalups; Lawrence H. Lash (1996). Methods in Renal Toxicology. CRC Press. pp. 2–3. ISBN 978-1-4398-0560-2.
- ^ Khurana (2005). Textbook Of Medical Physiology. Elsevier India. pp. 561–2. ISBN 978-81-8147-850-4.
Categories:
- Nephrology