preampullaryとは 意味・読み方・使い方

形容詞

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:10.1016/S1875-9572(10)60066-6, PMID 21146799, pages 343−346:

     Patients were grouped into a preampullary or postampullary group according to the obstruction in relation to the ampulla of Vater.