From the case: Phrenic ampulla

Annotated image
Modality: Annotated image (RPO)

- “ The phrenic ampulla is bordered by the A-ring and B-ring of the distal oesophagus. It is a normal finding that is more prominent in some patients ...”

Used in the following article:

  • Phrenic ampulla - “ The phrenic ampulla (also known as the oesophageal vestibule) is the region between the A-ring and B-ring of the distal oesophagus.  The gastro-o...”
  • A-rings (oesophagus) - “ A-rings are a type of distal oesophageal ring. They are above the B-ring and occur a few centimetres proximal to the gastro-oesophageal junction. ...”

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