In general,<unk>  is the removal of<unk> inine from the body. In renal physiology,<unk>  <unk> r) is the volume of blood plasma that is cleared of<unk> inine per unit time. Clinically,<unk>  is a useful measure for estimating the glomerular filtration rate <unk>  of the kidneys.
Creatinine clearance
BUN-to-creatinine ratio
Glomerular filtration rate
PAH clearance
Effective renal plasma flow
Diffusion capacity
Microalbuminuria
Plasma osmolality