The phrase "vaginal epithelium" refers to the inner lining of the vaginal canal. It is made up of a special type of tissue that protects and lines the walls of the vagina. Full definition
In this episode, Lakshmi Rajagopal provide evidence that group B streptococcus - induced exfoliation of the vaginal epithelium promotes ascending infection... (jci.org)
Estrogen levels fall and progesterone rises, the vaginal epithelium further cornifies, and ovulation occurs. (lowchensaustralia.com)