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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.
In the scrotum, the line is located over the internal scrotal septum that divides the two sides of the sac and is densely occupied by nerve fibers. [8] The raphe may become more prominent and darker when the scrotal sac tightens due to contractions. Behind the scrotum, it continues as the perineal raphe.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 December 2024. Sac of skin that protects the testicles For the obsolete dinosaur fossil name, see Megalosaurus § "Scrotum humanum". Scrotum Human scrotum in a relaxed state (left) and a tense state (right) Details Precursor Labioscrotal swellings System Reproductive system Artery Anterior scrotal ...
The central territory of the scrotum receives blood through the terminal branches (septal arteries) of the two main scrotal arteries, themselves extensions of the pudental and perineal arteries, that run deeply on both sides of the scrotal septum. A separate branch of the perineal artery has also been shown to vascularize the scrotal raphe.
The human perineum is between the anus and scrotum in the male or between the anus and vulva in the female. [2] The perineum is the region of the body between the pubic symphysis (pubic arch) and the coccyx (tail bone), including the perineal body and surrounding structures. The perineal raphe is visible and pronounced to varying degrees.
s. Scrotum. sp. Corpus cavernosum urethrae. t. Testis in the place of its original formation. t’, together with the dotted lines above, indicates the direction in which the testis and epididymis descend from the abdomen into the scrotum. vd. Ductus deferens. vh. Ductus aberrans. vs. The vesicula seminalis.
A hafada piercing is a surface piercing anywhere on the skin of the scrotum. [1] Piercings on the scrotal raphe or "seam" of the scrotum are common. This piercing does not penetrate deep into the scrotum, and due to the looseness and flexibility of the skin in that area, does not migrate or reject as much as many other surface piercings.
These structures are the future scrotum and labia majora in males and females, respectively. The genital tubercles of an eight-week-old embryo of either sex are identical. They both have a glans area, which will go on to form the clitoral glans (females) or penile glans (males), a urogenital fold and groove, and an anal tubercle. At around ten ...