What exactly IS a vagina? Well, it's the muscular tube that extends from the cervix to the vulva. It's a surprisingly common question for such a simple definition, but that quick sentence might not answer all your questions. Luckily, a good old vagina diagram can sure help out.
Vagina - Wikipedia
In mammals , the vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vulva to the cervix. The outer vaginal opening is normally partly covered by a membrane called the hymen. At the deep end, the cervix neck of the uterus bulges into the vagina. The vagina allows for sexual intercourse and birth. It also channels menstrual flow menses , which occurs in humans and closely related primates as part of the monthly menstrual cycle.
It's hard to have a healthy relationship with your body if you're not sure how it actually works. When it comes to your vagina, however, there's a chance that you've got a knowledge gap around its anatomy — from how everything slots together to what each part's job is. Why are we so sure? Well, recent research from the Eve Appeal showed that half of women aged were unable to label the vagina accurately — and that fewer than a quarter of women aged said they felt confident that 'they were well informed about gynaecological health issues. No doubt, living in a culture in which pretty much anything to do with the female reproductive system, from conditions such as endometriosis to procedures such as cervical screenings AKA smear tests aren't talked about nearly as much as they should be, contributes to all of this.
The vagina is an organ of the female reproductive tract. It is a distensible muscular tube which extends posterosuperiorly from the external vaginal orifice to the cervix. In this article, we will look at the anatomy of the vagina — its structure, innervation, vascular and lymphatic supply. Fig 2 — Sagittal section of the female pelvis, showing the anatomical relations of the vagina.