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Perineal raphe

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Perineal raphe

Perineal raphe
The perineum. The integument and superficial layer of superficial fascia reflected. (Raphe visible at top.)
The scrotum.
Latin raphe perinei
Gray's subject #258 1237
Precursor urogenital folds

The perineal raphe is a visible line or ridge of tissue on the human body that extends from the anus through the perineum.

In males, this raphe continues through the midline of the scrotum (scrotal raphe) and upwards through the posterior midline aspect of the penis (penile raphe). It is the result of a fetal developmental phenomenon whereby the scrotum (the developmental equivalent of the labia in females) and penis close toward the midline and fuse.

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