THE FEMALE GENITAL ORGANS: INTERNAL GENITAL ORGANS - THE VAGINA AND BULBO-SPONGIOSIS

The VAGINA is a fibro-muscular tube 7.5 to 10 centimetres in length extending from the vulva to the cervix or neck of the uterus, and directed upwards and backwards from the vulva. It is situated behind the urinary bladder and urethra and in front of the rectum and anal canal. The vagina performs a dual role—as an organ of copulation it accommodates .the erect penis, and during childbirth it functions as the exit for the infant. The CERVIX projects into the vagina forming four recesses or fornices—in front, back and on the sides. The recess at the back, called the posterior fornice, forms a receptacle for the

seminal discharge during ejaculation. Normally the walls of the vagina are in contact, but during coitus or childbirth they separate to form a canal or passage. The vagina is surrounded by a band of striped muscular fibres termed the BULBO-SPONGIOSIS.

The vagina is the means of sexual expression for the female just as the penis is for the male. Unlike the clitoris, it is not supplied with nerves; only the lower third has sensations.

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Men's Health-Erectile Dysfunction