- excretory canal (exact synonym, )
- metanephros (exact synonym, )
- reniculate kidney (narrow synonym, )
- organism part
1: One of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 4 1/2 inches (11 1/2 centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into a main cavity whence it is conveyed by the ureter to the bladder.n2: Any of various excretory organs of invertebrate animals.
- URI: http://www.ebi.ac.uk/cellline#kidney