innervation of pelvic organs inferior hypogastric plexus superior hypogastric plexus

Innervation of Pelvic Organs

Inferior hypogastric plexus

Superior hypogastric plexus

4. Describe the anatomical relationships between the peritoneal cavity, the visceral pelvic fascia, the pelvic diaphragm, the structures of the

perineum, and the urogenital diaphragm.

Peritoneum

Visceral pelvic fascia

Infraperitoneal space contains pelvic fascia

•continuous with transversalis fascia

•parietal fascia on pelvic walls & muscles

•visceral layer on viscera

9. Identify the rectum and anus and the anal sphincters and their innervation. Describe the anatomical basis for control

of defecation.

Dorsal n. of penisInf. Rectal artery, vein, nerve

Perineal artery, vein, nerve

Int. Pudendal arteryPudendal nerve

Coccygeus

Levator ani (cut)

Int. Iliac artery

Middle rectal artery

7. Identify the role of vasculature, nerves, and muscles in normal male and female sexual function.

Male

L-39

L-36 L-37

Ischiocavernosus Bulbospongiosus

Pudendal n.Int. pudendal a.

7. Identify the role of vasculature, nerves, and muscles in normal male and female sexual function.

Female

4. Describe the anatomical relationships between the peritoneal cavity, the visceral pelvic fascia, the pelvic diaphragm, the structures of the

perineum, and the urogenital diaphragm. Revisited.

Deep Perineal Space

Urethra

Vagina

Sphincter urethrae

Perineal membrane

Deep transverse perineal m.

Bulb of vestibule

Greater vestibular gland

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