Pertaining to the kidneys.

(medicine) In terms of renal medicine; with respect to, or via the kidneys.

(anatomy) An area located on either side of the human back between the lateral borders of the erector spinae muscles and inferior borders of the twelfth rib, so called because the kidney can be felt at this location.

(anatomy) the blood-filtering structure at the beginning of a vertebrate nephron, consisting of a glomerulus and a Bowman's capsule.

(anatomy) The funnel-like dilated proximal part of the ureter in the kidney.

plural of renal corpuscle

(medicine) A measure of the ability of the kidneys to remove a specific substance from the bloodstream.

(anatomy) The outer region of the kidney, between the renal capsule and the renal medulla, consisting of the glomeruli and the proximal and distal convoluted tubules.

(anatomy) The innermost region of the kidney, arranged into pyramid like structures, consisting of the collecting tubules, Henle's loop, vasa rectae, venulae rectae and the medullary capillary plexus

plural of renal cortex