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birth canal

noun
  1. the passage through which the young of mammals pass during birth, formed by the cervix, vagina, and vulva.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

birth canal in Medicine

birth canal

n.
  1. The passage through which the fetus is expelled during parturition, leading from the uterus through the cervix, vagina, and vulva.parturient canal
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.