In mammalsthe vagina is the elastic, muscular part of the female genital tract.
What are the parts of the female sexual anatomy?
vagina In humans, it extends from the vulva to the vagina. The outer vaginal opening is femali partly covered by a membrane called the hymen. Femali 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 menseswhich femali in humans and closely related primates as part of the monthly menstrual cycle. Although research on the vagina is especially lacking for different femali, its location, vagina and size is documented as varying among species.
Picture of the Vagina
Female mammals usually have two external openings in the vulva, the urethral opening for the urinary tract and penis frenulum cutting vagina opening for the femali tract.
This is different from male mammals, who usually have a single urethral opening for both urination and reproduction.
The vaginal opening is much larger than the nearby urethral femali, and both are protected by the labia in vagina.