Perineal Vasculature, Innervation, and Structures

Ischiorectal fossa

  • Gluteus maximus
  • perianal skin
  • sacrotuberous ligament
  • inferior fascia pelvic diaphragm
  • supeior fascia urogenital diaphragm
  • conjoint rami
  • urogenital hiatus
  • fusions of fascia
  • pudendal canal
  • superficial transverse perineal muscle

Superficial Pouch

  • inferior fascia of urogenital diaphragm
  • superficial perineal fascia (membranous Scarpa's posterior to scrotum or within the labia majora
  • posterior free edge of urogenital diaphragm
  • conjoint rami
  • scrotum or labia majora
  • crus penis or clitoris
  • ischiocavernosus
  • corpora cavernosum
  • corpora spongiosum
  • bulbospongios

Deep Pouch

  • superior fascia urogenital diaphragm
  • inferior fascia urogenital diaphragm
  • transvers perineal ligament
  • fusion of superior and inferior fascia
  • posterior free edge of urogenital diaphragm
  • conjoint rami
  • sphincter urethra
  • deep transverse perineus muscle
  • bulbourethral gland in male
  • membranous urethra
  • vagina

Vasculature

  • internal pudendal artery
  • pudendal canal
  • falciform edge of medial ischial tuberosity
  • obturator internus
  • inferior rectal artery
  • posterior free edge of urogenital diaphragm
  • posterior scrotal or labial arteries
  • superficial perineal membrane (Scarpa's)
  • artery to the bulb
  • artery to ischiocavernosus
  • perineal artery
  • anterior superior recess ischiorectal fossa
  • deep artery
  • superior fascia urogenital diaphragm
  • dorsal artery
  • transverse perineal ligament
  • Buck's fascia
  • deep dorsal vein
  • dorsal nerve

Innervation

  • pudendal nerve
  • pudendal canal
  • falciform edge of medial ischial tuberosity
  • obturator internus
  • inferior rectal nerve
  • posterior free edge of urogenital diaphragm
  • posterior scrotal or labial nerves
  • superficial perineal membrane (Scarpa's)
  • perineal nerve
  • ischiocavernosus
  • bulbospongiosus
  • anterior superior recess ischiorectal fossa
  • superior fascia urogenital diaphragm
  • dorsal nerve
  • transverse perineal ligament
  • Buck's fascia
  • deep dorsal vein
  • dorsal artery

Structures

  • pelvic diaphragm
  • inferior fascia pelvic diaphragm
  • anal canal
  • gluteus maximus
  • external anal sphincter
  • perineal body
  • urogenital diaphragm
  • crus penis or clitoris
  • corpora cavernosum
  • ischiocavernosus
  • bulbospongiosus
  • corpora spongiosum
  • glans
  • navicular fossa
  • bucks fascia
  • Colle's fascia (Sarpa's fascia)
  • superificial perineal fascia (Scarpa' fascia)
  • dartos (Scarpa's fascia)
  • external spermatic fascia
  • spermatic cord
    • external spermatic fascia
    • cremasteric fascia and muscle
    • cremasteric artery
    • genitofemoral nerve
    • internal spermatic fascia
    • pampiniform plexus
    • testicular artery and plexus
    • deferent artery and plexus
    • vas deferens
    • head, body, and tail epididymus
    • efferent ductules
    • tunica albugenia
    • tunica vaginalis parietal layer
    • tunica vaginalis visceral layer
  • scrotal ligament
  • scrotum
  • labia majora
  • vestibule
  • posterior frenulum
  • prepuce
  • anterior frenulum
  • clitoris or penis
  • suspensory ligamint
    • pubic symphysis
    • deep fascia
  • glans

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Topic revision: r1 - 19 Sep 2006, UnknownUser
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