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SlideshowReport

Location and structure of the stomach

Description
The outermost layer, the serosa, is connective tissue covered by epithelium. Beneath the serosa, three layers of smooth muscle differ in their orientation and direction of contraction. Their coordinated action mixes stomach contents with gastric fluid secreted by the mucosa that lines the stomach’s interior. The folds shown on the inner surface become smoothed out when the stomach fills with food.


gastroesophageal sphincter 881'088 longitudinal muscle circular muscle oquue muscle submucosa small Intestine mucosa
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