postampullary

/P OW1 S T AE1 M P UH1 L R IY0/
adjective
  1. 1

    (biology, anatomy, medicine) After an ampulla, as for example (usually, more specifically) downstream of the ampulla of Vater in the lumen of the duodenum; structures and events that are postampullary thus exist in the midgut rather than in the foregut.

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