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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.
The perineal body (or central tendon of perineum) is a pyramidal fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle. 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 ...
The pudendal nerve is the main nerve of the perineum. [1]: 274 It is a mixed (motor and sensory) nerve and also conveys sympathetic autonomic fibers.It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well as the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter.
The pain is located in the sensory distribution of the pudendal nerve. [6] [16] In over 50% of cases, the pain is in the perineum, but may be located in the genital areas (vulva, vagina, clitoris in females; glans penis, scrotum in males). [15] Pain may also be perceived in the rectum. [15] Pain may also involve the supra-pubic region and the ...
4. Stimulate it from the outside. ICYMI: The prostate can also be stimulated externally by feeling the area along the perineum, the swath of skin between the anus and the scrotum, says Box. The ...
In human male anatomy, the radix (/ r eɪ. d ɪ k s /) [1] or root of the penis is the internal and most proximal portion of the human penis that lies in the perineum.Unlike the pendulous body of the penis, which is suspended from the pubic symphysis, the root is attached to the pubic arch of the pelvis and is not visible externally.
The penile raphe is part of a broader line in the male reproductive organs, that runs from the anus through the perineum (perineal raphe) and continues to the scrotum and penis, collectively referred to as median raphe. [3] [4] The penile raphe along with the skin between it are homologous to the female labia minora. [5] [6]
The function of the muscle is fixation of the perineal body (central tendon of perineum), support of the pelvic floor, expulsion of semen in males and last drops of urine in both sexes. [2] The deep transverse perineal muscle lies in the same plane as the urethral sphincter and formerly the two muscles were described together as the constrictor ...