Abdominal Esophagus & Stomach
| Front | Surface anatomy of the pyloric orifice |
| Back | Located ½ inch right of midline on the transpyloric plane (L1). |
| Front | Length, beginning & termination of esophagus |
| Back | 25 cm long; begins at C6 as continuation of pharynx; pierces diaphragm at T10 and ends at the cardiac orifice of the stomach. |
| Front | Cardiac vs. pyloric orifices of the stomach |
| Back | • Cardiac orifice: Junction with esophagus • Pyloric orifice: Junction with duodenum; true anatomical sphincter present. |