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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of stomach

Deep muscular layers of gastric wall, anterior view

Image #142-5

KEYWORDS: Muscles and tendons, Peripheral nervous system, Stomach, Vasculature.

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Dissection of stomach
Deep muscular layers of gastric wall, anterior view
The outer, longitudinal layer of muscle has been partially removed from the cardiac part and from the anterior surface of the stomach. The underlying circular layer (13) has also been partially cut away to expose the innermost, obliquely-placed layer (12). The latter is an incomplete layer which arches over the cardiac notch and spreads downward in the anterior and posterior walls of the stomach.
1 . Hepatic vein
2 . Liver
3 . Upper pointer: Left gastric artery Lower pointer: Left gastric plexus
4 . Upper pointer: Common bile duct Lower pointer: Common hepatic artery
5 . Descending part of duodenum
6 . Pylorus (oblique fibers of pyloric sphincter exposed)
7 . Esophagus
8 . Left vagus nerve
9 . Margin of esophageal hiatus
10 . Muscular layer (longitudinal) note dissected area between pointers)
11 . Spleen
12 . Muscular layer (oblique fibers)
13 . Muscular layer (circular fibers)
14 . Body of stomach
15 . Tail of pancreas
16 . Kidney (covered by renal fascia)