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Stomach 

Stomach
Chapter:
Stomach
Author(s):

Jad M. Abdelsattar

, Moustafa M. El Khatib

, T. K. Pandian

, Samuel J. Allen

, and David R. Farley

DOI:
10.1093/med/9780190650506.003.0017
Page of

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date: 05 May 2021

The stomach develops during the fifth week of gestation from the dilated caudal portion of the foregut. The gastric cardia is just distal to the gastroesophageal junction, the fundus is the upper curvature to the left of the cardia, the body is the central region between the fundus and antrum, and the antrum tapers into the pylorus. Gastric parietal cells secrete hydrochloric acid and intrinsic factor, chief cells secrete pepsinogen, and G cells secrete gastrin. PUD is the most common cause of massive UGI bleeding. Although a UGI series can be used for diagnosis of gastric lesions, some are indistinguishable from benign peptic ulcers. Possible complications of gastric surgery include bleeding, anastomotic leak or stricture, or reflux esophagitis.

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