Internal Canal: Meaning in Sexual and Vaginal Anatomy
Internal canal is a broad anatomical phrase that often refers to the vaginal canal, the muscular passage extending from the vaginal opening to the cervix.
Birth Canal: Meaning, Anatomy, Labor, and Vaginal Delivery
The birth canal is the passage through which a fetus moves during vaginal childbirth, involving the opened cervix, pelvis, vagina, and vaginal opening.