capable of existence ends during renal tubular secretion fully formed stage renal system urinary tract EHDAA:5901 MA:0000325 FMA:7159 NCIT:C12413 urinary system systema urinarium UBERON:0001008 MAT:0000027 XAO:0000143 MESH:D014551 EHDAA2:0001601 TAO:0000163 BTO:0001244 BILA:0000015 EV:0100095 TADS:0000162 EDITOR_NOTE In various sources such as Encyclopedia Britannica, the excretory and urinary systems are indeed the same system (see wikipedia talk page); we merge two BTO classes here WBbt:0005736 VHOG:0000723 AAO:0010257 EFO:0000803 CALOHA:TS-1323 systema urinaria MIAA:0000027 ZFA:0000163 Wikipedia:Excretory_system excretory system renal/urinary system EMAPA:17366 renal or urinary system BTO:0003092 galen:UrinaryTract The renal system in an anatomical system that maintains fluid balance and contributes to electrolyte balance, acid/base balance, and disposal of nitrogenous waste products. GAID:391 SCTID:362204003 excretory system