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Bassett Collection of Stereoscopic Images of Human Anatomy

Exploration of lymphatic structures of gastrointestinal tract

Inferior mesenteric lymph nodes and vessels, general view

Image #141-4

KEYWORDS: Lymphatics, Vasculature.

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Exploration of lymphatic structures of gastrointestinal tract
Inferior mesenteric lymph nodes and vessels, general view
The small intestine and its mesentery have been retracted to the right. The transverse colon has been elevated. The peritoneum has been removed from a large area to the left of the root of the mesentery and also from the area close to the splenic flexure of the colon. Lymphatic structures located along the course of branches of the inferior mesenteric artery have been preserved wherever possible.
1 . Middle colic artery
2 . Transverse colon (elevated)
3 . Liver
4 . Jejunum (retracted to the right)
5 . Mesenteries
6 . Ileum (retracted to the right)
7 . Pelvic cavity
8 . Left colic flexure
9 . Left colic lymph nodes
10 . Ascending branch of inferior mesenteric artery
11 . Duodenojejunal flexure
12 . Peritoneum (intact strip between dissected areas)
13 . Ascending part of duodenum
14 . Descending colon
15 . Psoas major muscle (covered by fascia)
16 . Fascia covering inferior mesenteric artery
17 . Sigmoid artery
18 . Inferior mesenteric lymph nodes
19 . Sigmoid colon