Definition

Noun: * The anatomical passage through which a fetus passes from the uterus to the outside world during a vaginal birth. This term refers specifically to the combined structures of the cervix (the lower part of the uterus), the vagina, and the vulva that form the pathway for childbirth.

Examples of Usage

• Noun:
  • During labor, the baby moves down the birth canal.
  • The doctor explained how the muscles of the birth canal stretch to accommodate the baby.
  • Some complications can arise if the baby's position makes passage through the birth canal difficult.

Advanced Usage

• The term is used almost exclusively in medical, biological, and educational contexts related to human or mammalian reproduction.
• It is a compound noun that functions as a single conceptual unit, describing the complete functional pathway rather than individual anatomical parts.

Variants and Related Words

• Canal (n): A tubular passage or channel in the body. (e.g., ).
• Parturition (n): The act or process of giving birth.
• Delivery (n): The process of giving birth.

Synonyms

• Passage for birth (descriptive phrase)
• Parturient canal (more technical/medical synonym)

Related Phrases

• Pass through the birth canal: The specific action of the fetus moving during birth.
  • The infant successfully passed through the birth canal.
• Obstructed birth canal: A medical condition where the pathway is blocked.
  • The scan revealed an obstructed birth canal, necessitating a cesarean section.

Noun

1. a passage in the uterus and vagina through which a fetus passes during vaginal birth