Perineum

  • November 2019
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Innervation of Pelvic Organs Superior hypogastric plexus

Inferior 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.

Int. Iliac artery

Perineal artery, vein, nerve

Levator ani (cut) Coccygeus

  Inf. Rectal artery, vein, nerve

Dorsal n. of penis

Middle rectal artery

 

Int. Pudendal artery Pudendal nerve

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

Bulbospongiosus

L­37

L­36

L­39

 

Int. pudendal a.

 

Pudendal n.

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.

Urethra Bulb of vestibule

Sphincter urethrae

Vagina Perineal membrane Greater vestibular gland

Deep transverse perineal m.

 

Deep Perineal Space

 

Happy Holidays

 

 

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