Frontal
Modality: Annotated image (Frontal)

- “ Normal AP barium swallow demonstrating hypopharyngeal anatomy.  ”

Used in the following article:

  • Pyriform sinus - “ The pyriform sinus (also spelled piriform sinus and also known as the pyriform recess, pyriform fossa, and smuggler's fossa) is the pear-shaped su...”

View full size version of Normal barium swallow - AP projection of hypopharynx

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