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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 deep branch of the perineal nerve is a branch of the perineal nerve, itself a branch of the pudendal nerve. [1] It pierces the medial wall of the pudendal canal. [1] The dorsal nerve of the penis for males and the dorsal nerve of the clitoris for females is the terminal branch of the pudendal nerve.
The pudendal canal (also called Alcock's canal) is an anatomical structure formed by the obturator fascia (fascia of the obturator internus muscle) lining the lateral wall of the ischioanal fossa. The internal pudendal artery and veins , and pudendal nerve pass through the pudendal canal, and the perineal nerve arises within it.
The nerves that supply the vulva are the pudendal nerve, perineal nerve, ilioinguinal nerve and their branches. Blood and nerve supply to the vulva contribute to the stages of sexual arousal that are helpful in the reproduction process. Following the development of the vulva, changes take place at birth, childhood, puberty, menopause and post ...
The perineal nerve is a branch of the pudendal nerve. [1] [2] It lies below the internal pudendal artery.It accompanies the perineal artery.It passes through the pudendal canal for around 2 or 3 cm. [1] [2] Whilst still in the canal, it divides into superficial branches and a deep branch. [1]
Anatomy figure: 42:03-01 at Human Anatomy Online, SUNY Downstate Medical Center - "Branches of internal pudendal artery in the male perineum." Anatomy figure: 43:07-14 at Human Anatomy Online, SUNY Downstate Medical Center - "Sagittal view of the internal iliac artery and its branches in the female pelvis.
A new study on the clitoris found that the organ has 10,000 nerve fibers. ... When it comes to sexual pleasure, there’s one spot on the female anatomy that tends to get the most attention: the ...
As might be expected, the contents of the urogenital triangle differ greatly between the male and the female. Some of the components include: [1] Posterior scrotal nerves / posterior labial nerves; Urethra; Vagina; Bulbourethral gland / Bartholin's gland; Muscles Superficial transverse perineal muscle; Ischiocavernosus muscle; Bulbospongiosus ...