part of part of develops_from contributes to morphology of primitive urogenital sinus vagina 'The distal end of the oviducts differentiates as a vagina in Metatheria and Eutheria.' Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective, Third Edition (2001) Orlando Fla.: Harcourt College Publishers, p.688 A fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles[WP]. BTO:0000243 CALOHA:TS-1103 EFO:0000976 EMAPA:18986 EV:0100117 FMA:19949 GAID:381 MA:0000394 MAT:0000128 MESH:D014621 MIAA:0000128 OpenCyc:Mx4rvVj1B5wpEbGdrcN5Y29ycA Organ with organ cavity which connects the cervical canal of uterus to the vestibule of vagina.[FMA] The distal end of the oviducts differentiates as a vagina in Metatheria and Eutheria.[well established][VHOG] The genital canal in the female, leading from the opening of the vulva to the cervix of the uterus. [TFD][VHOG] UBERON:0000996 UMLS:C0042232 VHOG:0001138 distal oviductal region distal portion of oviduct galen:Vagina uberon vaginae vaginal internal female genitalia mesoderm-derived structure subdivision of oviduct