,
, The oesophagus
• Begins at the level of cricoid cartilage (C6 vertebra)
• Passes through the diaphragm at T10
extends to the cardiac orifice of the stomach (T10)
• 3 main constrictions:
At its origin (upper oesophageal sphincter)
Where it is crossed by the arch of the aorta and left bronchus
Where it passes through the diaphragm
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