an aperture or hole that opens into a bodily cavity

体腔に通じる開口部や穴

(obstetrics) uterine cervix that becomes dilated before term and without labor often resulting in miscarriage or premature birth

(産科) 出産期前・分娩なしで子宮頸部が拡張し、流産や早産を引き起こすことがよくある状態

a hollow muscular organ in the pelvic cavity of females; contains the developing fetus

女性の骨盤内にある空洞のある筋肉質の器官。胎児を育てる場所。