preampullary

释义与例句

adj.
  1. 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.

    医学 生物

词源

From pre- + ampulla + -ary.

来源：wiktionary