adj
Meaning 1
Before an ampulla, as for example (usually, more specifically) upstream of the ampulla of Vater in the lumen of the duodenum; structures and events that are preampullary thus exist in the foregut rather than in the midgut.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: anatomy, biology, medicine, natural-sciences, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided