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esophagogastric junction (cardioesophageal or gastroesophageal junction)
The terminal end of esophagus & begining of stomach at the cardiac orifice.
- lies to the level of T11 vertebra on the horizontal plane that passes through the tip of the xiphoid process
- site of the physiologic lower esophageal sphincter
Clinical:
- Surgeons & endoscopists designate this junction as the Z-line - a jagged line where the mucosa abruptly changes from esophageal to gastric mucosa
Pathology:
- narrowing of the gastroesophageal junction with Schatzki ring [3]
Related
Schatzki ring
General
anatomic junction
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.
- Clinically Oriented Anatomy, 4th edition, KL Moore &
AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia,
PA 1999.
- NEJM Knowledge+ Gastroenterology
Component-of
abdomen