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In males, it is found between the bulb of the penis and the anus; in females, it is found between the vagina and anus, and about 1.25 cm (0.49 in) in front of the latter. The perineal body is essential for the integrity of the pelvic floor, particularly in females.
Anogenital distance (AGD) is the distance from the midpoint of the anus to the genitalia, the underside of the vagina, the clitoris or the scrotum. It is considered medically significant for a number of reasons, in both humans and other animals, including sex determination and as a marker of endocrine disruptor exposure. [1]
The perineal raphe is a visible line or ridge of tissue on the body that extends from the anus through the perineum to the scrotum (male) or the vulva (female). It is found in both males and females, arises from the fusion of the urogenital folds, and is visible running medial through anteroposterior, to the anus where it resolves in a small knot of skin of varying size.
The perineum attaches across the gap between the inferior pubic rami bilaterally and the perineal body. This grouping of muscles constricts to close the urogenital openings. The perineum supports and functions as a sphincter at the opening of the vagina. Other structures exist below the perineum that support the anus. [3] [6]
In women, an anatomical area known as the perineum separates the opening of the vagina from that of the anus. Each opening is surrounded by a wall, and the anal wall is separated from the vaginal wall by a mass of soft tissue including: The muscles of the anus (corrugator cutis ani, the internal anal sphincter and the external anal sphincter)
The perineum, the space between the vagina and the anus, is inspected. It should be smooth, firm, and free of disease. Scars from episiotomies are visible on women who have had the procedure during childbirth. [20] The anus is assessed for lesions, inflammation or trauma. It should appear dark, continuous and moist.
Vaginal discharge is completely normal — it’s how your vagina maintains its healthy, clean, and balanced environment. However, there are some types of vaginal discharge that might signal that ...
In addition to nerve endings, pleasure from anal intercourse may be aided by the close proximity between the anus and the prostate for males, and vagina, clitoral legs and anal area for females. This is because of indirect stimulation of the prostate and vagina or clitoral legs.