The mucosa is made up of specialized cells that secrete a lubricating fluid, which helps the vaginal walls to stretch.
Several types of tissue line the inside of the vagina, including the mucosa. The vagina is the canal to the cervix, which separates the uterus and the vagina. In fact, the depth of the vagina (from the opening to the tip of the cervix) can measure anywhere up to 7 inches (17.7 cm). Share on Pinterest Mal de Ojo Studio/StocksyĪ report in the BJOG: An International Journal of Obstetrics and Gynaecology said that the average depth of the vagina is about 3.77 inches (9.6 cm), but that vaginal depth and appearance can vary widely.
