Because it has a different origin during the [[development of the urinary and reproductive organs]] than the rest of the nephron, the collecting duct is sometimes not considered a part of the nephron. Instead of originating from the metanephrogenic blastema, the collecting duct originates from the [[ureteric bud]].{{Citation needed|date=June 2011}} |
Because it has a different origin during the [[development of the urinary and reproductive organs]] than the rest of the nephron, the collecting duct is sometimes not considered a part of the nephron. Instead of originating from the metanephrogenic blastema, the collecting duct originates from the [[ureteric bud]].{{Citation needed|date=June 2011}} |