fistula [ˈfɪstjʊlə] (pl. fistulas 或 fistulae -liː)
(Medicine)an abnormal or surgically made passage between a hollow or tubular organ and the body surface, or between two hollow or tubular organs (医)瘘,瘘管
派生 fistular adjective fistulous adjective 语源
late Middle English: from Latin, pipe, flute, fistula'. Compare with fester