part of part_of part of part_of has part has_part has part proximalmost_part_of anatomical entity cervix uterine cervix cervix uterine cervix 子宫颈(cervix) 子宫颈(uterine cervix) organ part endocervix BTO:0003002 FMA:86485 NCIT:C12309 The region of the opening of the uterine cervix into the uterine cavity. UBERON:0000458 UMLS:C0227837 uberon simple columnar epithelium reproductive structure