Dissection of stomach

External muscular layer of gastric wall, posterior aspect

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Image #142-4
Bassett ImageDiagram Image
Legend Image
Dissection of stomach
External muscular layer of gastric wall, posterior aspect
The stomach has been rotated upward and to the right. The peritoneum which covered the posterior surface of the stomach has been removed to reveal the outer longitudinal layer of muscle.
1 . Major curvature of stomach
2 . Body of stomach (peritoneum removed to expose tunica muscularis)
3 . Lesser curvature of stomach
4 . Angular notch
5 . Pyloric antrum
6 . Pyloric canal
7 . Pylorus
8 . Thoracic aorta
9 . Fundus of stomach
10 . Diaphragm
11 . Spleen
12 . Left pointer: Esophagus (emerging through esophageal hiatus) Right pointer: Phrenic lymph node
13 . Phrenicolienal ligament (cut across)
14 . Esophageal branch of left phrenic artery
15 . Left gastric plexus
16 . Celiac lymph node
17 . Left gastric artery
18 . Pancreas
19 . Middle colic artery (lying approximately in position it occupied within mesotransverse colon)
20 . Jejunum (cut across)
21 . Caudate lobe
22 . Celiac lymph node
23 . Common hepatic artery