Rectum
5
Plate373
Male
Superficial scrotal (dartos) fascia
Septum of scrotum
Deep (Buck’s) fascia of penis
Perineal membrane
Perineal body
Superficial perineal (Colles’) fascia (
cut edges
)
Transverse fibrous septum of ischio-anal fossa (
cut
)
Ischial tuberosity
Sacrotuberous ligament
Gluteus maximus muscle
Tip of coccyx
Pubococcygeus
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
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
ExternalAnalSphincterMuscle:PerinealViews
See±also±
Plates 356
,
±
359
±
