Figure 3 - Endoscopic landmarks, part 2.
From the following article
Stuart Jon Spechler
GI Motility online (2006)
doi:10.1038/gimo44
In this illustration, the GEJ and the Z-line coincide, and there is no columnar-lined segment of esophagus. (Source: Spechler,37 with permission from American Gastroenterological Association.)
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