5
Plate335
PelvicFloorandContents
Piriformis
muscle
Ischial
spine
Coccygeus
(ischiococcygeus)
muscle
Medial view
Arcuate line
Obturator internus muscle
and obturator fascia (
cut
)
Tendinous arch of levator ani muscle
Obturator canal
Iliococcygeus muscle
(part of levator ani muscle)
Rectum
Pubococcygeus muscle
(part of levator ani muscle)
Urethra
Vagina
Sphincter urethrae muscle
Left puborectalis muscle and
perineal membrane
Compressor urethrae and urethrovaginal
sphincter (portions of sphincter urethrae muscle)
Left levator ani
muscle (
cut
)
External anal
sphincter muscle
Superficial and deep
transverse perineal muscles
Lateral view
Median sacral crest
Sacrotuberous ligament (
cut
)
Coccygeus (ischiococcygeus) muscle
Sacrospinous ligament (
cut
)
Coccyx
Piriformis muscle
Greater sciatic foramen
Ischial spine
Iliococcygeus muscle
(part of levator ani muscle)
Tendinous arch of levator ani muscle
Pubococcygeus muscle
(part of levator ani muscle)
Puborectalis muscle
(part of levator ani muscle)
Vagina
Rectum
Pubic bone
(
cut surface
)
Deep dorsal vein
of clitoris
Urethra
PelvicDiaphragm:Female
See±also±
Plates 348, 350, 370
±