preampullary

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English

Etymology

From pre- +‎ ampulla +‎ -ary.

Adjective

preampullary (not comparable)

  1. (biology, anatomy, medicine) 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.
    • 2010, Li-Yi Tsai, Wu-Shiun Hsieh, Chien-Yi Chen, Hung-Chieh Chou, Po-Nien Tsao, Wen-Ming Hsu, “Distinct clinical characteristics of patients with congenital duodenal obstruction in a medical center in Taiwan”, in Pediatrics and Neonatology, volume 51, number 6, →DOI, →PMID, page 343−346:
      Patients were grouped into a preampullary or postampullary group according to the obstruction in relation to the ampulla of Vater.

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