Normal gross anatomy
Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 25 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Normal volume is 1.5 liters, capacity is 3 liters, potentially more
● Fine mosaic-like pattern of mucosa because of punctuations by gastric pits or foveolae
● Longitudinal infoldings of mucosa and submucosa known as rugae are coarser proximally and when stomach is empty
● Narrow conical portion distal to gastroesophageal junction
● Many authors claim that cardiac mucosa is reflux-associated epithelia and not normally present
● Of note in the AJCC Cancer Staging Manual, 7th Edition (2010), carcinomas of the esophagus and esophagogastric junction (the proximal 5 cm of the stomach) are staged identically
● Dome shaped proximal stomach
● Remainder of stomach to incisura angularis
● Where stomach narrows before it joins duodenum
● Incisura angularis to pyloric sphincter (3-4 cm)
● Muscular ring that controls flow of food content into proximal duodenum
● Medial curvature of stomach on the right
● Lateral curvature of stomach
Normal appearance of the stomach, opened along the greater curvature
Normal appearance of the gastric antrum extending to the pylorus at the right of center
● AJCC Cancer Staging Manual, 7th Edition (2009): Springer
End of Stomach > Normal gross anatomy
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