The vagina itself doesn't have many nerve endings, almost all the stimulation from sex comes from the various connections to the clitoris being pulled on during sex. Like the glans at the end of the male penis, the clitoris is so highly sensitive to touch that direct touch can be perceived as painful. It is the indirect touch or well lubricated.
Nerve endings in the vagina can provide pleasurable sensations when the vagina is stimulated during sexual activity. Women may derive pleasure from one part of the vagina, or from a feeling of closeness and fullness during vaginal eazye.info: superior part to uterine artery, middle and inferior .
The clitoris is the most nerve-rich part of the vulva, says Debra Herbenick, PhD, a sexual health educator from The Kinsey Institute. The glans contains about 8, nerve endings, making it the Author: Kristine Thomason.
There are more internal structures that may get some stimulation from penetration. The vagina per se does not have to be and in fact the upper vagina does not have a lot of light or localized touch receptors. Areas next to the cervix can be very s.