External Anal Sphincter Muscle: Perineal Views Anatomy
Male Dartos fascia of scrotum, Septum of scrotum, Deep (Buck’s) fascia of
penis, Perineal membrane, Perineal body, Superficial perineal (Colles’) fascia
(cut edges), Transverse fibrous septum of ischioanal fossa (cut),
Ischial tuberosity, Sacrotuberous ligament, Gluteus maximus muscle, Tip of
coccyx, Pubococcygeus, Puboanalis (puborectalis), Iliococcygeus, Subcutaneous, Superficial,
Deep,
Bulbospongiosus muscle with deep perineal (investing or Gallaudet’s)
fascia removed, Ischiocavernosus muscle with deep perineal (investing or
Gallaudet’s) fascia removed, Superficial transverse perineal muscle with deep perineal
(investing or Gallaudet’s) fascia removed, Anococcygeal body (ligament)
(posterior extensions of superficial external anal sphincter muscle), Parts* of
external anal sphincter muscle, Levator ani muscle, Female, Clitoris, Vagina, Anus,
External urethral orifice, Ischiopubic ramus, Superficial perineal (Colles’)
fascia (cut edge), Ischiocavernosus muscle with deep perineal, (investing
or Gallaudet’s) fascia removed, Bulbospongiosus muscle with deep perineal (investing
or Gallaudet’s) fascia removed, Fibers from superficial external anal sphincter
muscle to ischiopubic ramus, Perineal membrane, Crossed fibers from superficial
and deep external sphincters to superficial transverse perineal muscle, Superficial
perineal (Colles’) fascia (cut edge), Perineal body, Superficial
transverse perineal muscle with deep perineal (investing or Gallaudet’s) fascia
removed, Deep, Superficial, Subcutaneous, Pubococcygeus, Puboanalis
(puborectalis), Iliococcygeus, Parts* of external anal sphincter muscle, Levator
ani muscle, Anococcygeal body (ligament) (posterior extensions of superficial
external anal sphincter muscle) *Parts variable and often indistinct.
