OverviewThe vagina is a thin-walled tube which lies between the bladder and rectum. It is often called the birth canal, since it provides the passageway of delivery of an infant.
Update Date 11/5/2015
Updated by: Cynthia D. White, MD, Fellow American College of Obstetricians and Gynecologists, Group Health Cooperative, Bellevue, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.