Dissection of female pelvis from a lateral approach
Interior of rectum and anal canal, general view
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Image #161-7
Dissection of female pelvis from a lateral approach
Interior of rectum and anal canal, general view
A longitudinal incision has been made through the anterior wall of the anal canal and rectum from the anus to the level of the sacral flexure. The wall to the right of the incision has been pulled aside to reveal the lumen of the lower end of the intestinal tract.
- Internal iliac artery
- Articular surface of sacrum
- Piriform muscle
- Parietal pelvic fascia
- Sacral flexure of rectum
- Longitudinal layer of muscular tunic of rectum
- Coccyx
- Circular layer of muscular tunic of rectum
- Mucosal tunic of rectum
- Terminal segment of coccyx
- Transverse fold of rectum
- Levator ani muscle (cut off)
- Vagina
- Perineal flexure of rectum
- Anal column
- Anal valve
- Anal bend
- Internal anal sphincter muscle
- External anal sphincter muscle (cut across, slightly to right of midline)
- Vestibule of vagina
- Sigmoid colon
- Mesosigmoid colon
- Rectouterine fold
- Upper pointer: Ovary Lower pointer: Uterine tube
- Uterus
- Urinary bladder
- Pubic symphysis
- Urethra
- Clitoris