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Dissection of jejunum, ileum and colon

Arteries, veins and nerves of sigmoid colon, close-up view

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Image #144-2
Bassett ImageDiagram Image
Legend Image
Dissection of jejunum, ileum and colon
Arteries, veins and nerves of sigmoid colon, close-up view
The lower part of the preceding dissection (144-1) is seen here in a close-up view.
1 . Inferior mesenteric ganglion
2 . Inferior mesenteric artery (pointer at level of origin of left colic artery)
3 . Inferior mesenteric lymph nodes
4 . Root of mesenteries
5 . Inferior mesenteric plexus
6 . Right common iliac artery
7 . Sigmoid artery
8 . Superior hypogastric plexus
9 . Mesosigmoid colon (dissected)
10 . Straight arteries
11 . Inferior mesenteric vein
12 . Position of ureter (covered by fascia but visible passing downward into pelvis)
13 . Psoas major muscle (covered by fascia)
14 . Descending colon
15 . Marginal artery
16 . Sigmoid colon