Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of jejunum, ileum and colon

Arteries, veins and nerves of colon, general view

Image #143-5

KEYWORDS: Large intestine, Peripheral nervous system, Small intestine, Vasculature, Overview.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of jejunum, ileum and colon
Arteries, veins and nerves of colon, general view
The colon has been elevated to form its usual position to demonstrate the distribution of blood vessels and nerves to its ascending, transverse and descending parts. The jejunum and ileum have been pulled downward.
1 . Primary and secondary arterial arches
2 . Pancreaticoduodenal vein (note that this vein receives branches which accompany the right branch of the middle colic artery, which in this specimen replaces the right colic artery)
3 . Head of pancreas
4 . Upper pointer: Ileal artery Lower pointer: Superior mesenteric plexus
5 . Horizontal part of duodenum (covered by connective tissue)
6 . Marginal artery (of Drummond) forming communication between middle colic and ileocolic arteries (right colic artery absent)
7 . Ascending colon
8 . Superior mesenteric lymph nodes
9 . Ileum
10 . Transverse colon (elevated)
11 . Superior mesenteric plexus
12 . Middle colic artery
13 . Middle colic artery (left branch forming marginal artery)
14 . Straight arteries
15 . Filament of inferior mesenteric plexus
16 . Duodenojejunal flexure
17 . Marginal artery
18 . Upper pointer: Middle colic vein Lower pointer: Superior mesenteric vein
19 . Jejunal arteries
20 . Jejunal vein
21 . Descending colon
22 . Jejunum
23 . Inferior mesenteric plexus

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