Figure 1 - Anatomy of the esophagogastric junction.

From the following article

Sphincter mechanisms at the lower end of the esophagus

Ravinder K. Mittal and Raj K. Goyal

GI Motility online (2006)



The lower esophageal sphincter and the crural diaphragm constitute the intrinsic and extrinsic sphincter, respectively. The two sphincters are anatomically superimposed on each other and are anchored by the phrenoesophageal ligament. (Source: Mittal and Balaban.2 Copyright © 1997, Massachusetts Medical Society.)

Powerpoint slides for teaching

If the slide opens in your browser, Select "File > Save as" to save it.

Download PowerPoint slide (1,332K)