(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

Actual and Potential Perineopelvic Spaces
Retropubic
(prevesical)
space (of Retzius)
Rectovesical
space
Sagittal section
Retrovesical
Prerectal
Retroprostatic
Sphincter urethrae
Deep and superficial
transverse perineal muscles
External
anal
sphincter
muscle*
Deep
Superficial
Subcutaneous
Deep (Buck’s) fascia of penis
Superficial perineal (Colles’) fascia
Visceral
peritoneum
Vesical fascia
Rectal
fascia
Rectal
fascia
Presacral
fascia
Presacral
space
Rectovesical
or rectoprostatic
(Denonvilliers’)
fascia (septum)
Levator ani muscle
and fascia of
pelvic diaphragm
Deep postanal space
Anococcygeal body (ligament)
Superficial postanal space (part
of perianal space)
*Parts variable and
often indistinct
Submucous space
Perianal space
Bulbospongiosus muscle and deep perineal (Gallaudet’s) fascia
Superficial perineal compartment (space or pouch)
Perineal membrane,
Deep transverse perineal muscle, and
Superficial transverse perineal muscle
(cut away) to expose
Anterior recess of ischioanal fossa
Preanal communication (inconstant) between
right and left ischioanal fossae
Pus in ischioanal fossa
Posterior communication between right and left
ischioanal fossae via deep postanal space
deep to anococcygeal body (ligament)
Gluteus maximus muscle and
Sacrotuberous ligament
(cut)
Posterior recess of ischioanal fossa
Perineal view
Spread of perineal abscess in perineal spaces
Plate 378
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Rectum