anatomical entity anatomical entity uterine cervix EMAPA:29927 cervix of uterus UMLS:C0007874 MESH:D002584 cervical canal of uterus cervical canal cervix uteri BTO:0002249 uterine cervix FMA:17740 NCIT:C12311 EFO:0000979 The evolution of mammals is associated with radical changes in their reproductive biology, particularly the structure and function of the female reproductive organs. These changes include the evolution of the uterus, cervix, vagina, placenta and specialized cell types associated with each of those structures.[well established][VHOG] GAID:376 cervix galen:CervixUteri OpenCyc:Mx4rvVipEJwpEbGdrcN5Y29ycA MAT:0000292 UBERON:0000002 caudal segment of uterus The narrow caudal end of the uterus that opens into the vagina. [TFD][VHOG] VHOG:0001359 EV:0100114 BTO:0001421 CALOHA:TS-0134 canalis cervicis uteri neck of uterus cervical uberon MA:0000392 Lower, narrow portion of the uterus where it joins with the top end of the vagina. reproductive structure zone of organ