Term Name:	collecting duct of renal tubule
Synonyms:	arcuate renal tubule, collecting duct, collecting duct system, collecting tubule, junctional tube, kidney collecting duct, kidney collecting tubule, renal collecting tubule, tubulus renalis arcuatus, tubulus renalis colligens, ureteric tree
Definition:	The collecting duct is a portion of the nephron through which water flows, moving passively down its concentration gradient
Ontology:	Cell Ontology [UBERON:0001232]