Abstract

The aim of this study was to clarify the muscular architecture of the abdominal part of the esophagus and the stomach. This study investigated 60 embalmed Korean adult cadavers. The circular and oblique fibers of the stomach that originated from the abdominal part of the esophagus crossed each other in the cardia. The arrangement of the circular fibers of the stomach differed between its anterior and posterior surfaces in all specimens (100%). On the posterior surface of the stomach, the circular and longitudinal fibers on the greater curvature merged and ran parallel toward the fundus. The three layers of the musculature of the stomach have different arrangements in different regions of the stomach and are connected to each other. Understanding the muscular architecture of the stomach and the abdominal part of the esophagus can be helpful when evaluating stomach motility and performing various types of gastrectomy. Clin. Anat. 33:530-537, 2020. © 2019 Wiley Periodicals, Inc.

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