Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Etymology: L, ren, kidney, capsula, little box
the investing tissue around the kidney, divided into the fibrous renal capsule and the adipose renal capsule.
The fibrous membrane on the outer surface of a kidney, which is in turn enclosed by adipose tissue that cushions the kidney.Synonym: capsule of the kidney
See also: capsule