noun
cervical canal
Anatomical term for the passage through the cervix connecting the uterus and vagina.
子宮頸管の長さは妊娠中に超音波で測られる。
The length of the cervical canal is measured by ultrasound during pregnancy.
Refers to the cervix as a whole, while 子宮頸管 specifically means the canal inside the cervix.
Compound of 子宮 (shikyū, 'uterus') + 頸 (kei, 'neck') + 管 (kan, 'tube, duct'). The term directly describes the anatomical structure.