has part has part has_part capable of part of capable of part of existence ends during anatomical entity anatomical entity reproduction fully formed stage anatomical system reproductive system http://upload.wikimedia.org/wikipedia/commons/5/52/Penis.svg AAO:0010258 Wikipedia:Reproductive_system NCIT:C12841 MIAA:0000305 EHDAA2:0001603 OpenCyc:Mx4rvVja4ZwpEbGdrcN5Y29ycA TAO:0000632 XAO:0000142 ZFA:0000632 consider splitting genitalia from reproductive system EV:0100100 genitalia EHDAA:5923 animal reproductive system HAO:0000374 uberon HAO:0000895 BTO:0000081 EFO:0000809 WBbt:0005747 BILA:0000103 Anatomical system which consists of organs and tissues associated with sexual reproduction of the organism.[AAO] GAID:363 genital tract FBbt:00004857 VHOG:0000182 UMLS:C1261210 Anatomical system that has as its parts the organs concerned with reproduction. SCTID:278875001 reproductive tract UBERON:0000990 MA:0000326 organa genitalia genital system CALOHA:TS-1318 systemata genitalia Geschlechtsorgan Arguably, one of the most important aspects of urbilaterian organogenesis would have been gonadogenesis, since Urbilateria must have successfully generated gametes and developed a strategy for extrusion and fertilization, in order to be the ancestor of all living Bilateria.[well established][VHOG] EMAPA:17381 FMA:7160 reproductive tissue gonad