fistula

名词 fistula:

1. a chronic inflammation of the withers of a horse
   同义词：fistulous withers
2. an abnormal passage leading from a suppurating cavity to the body surface
   同义词：sinus

fis.tu.la

n.（名词）
【复数】 fis.tu.las 或 fis.tu.lae [-lô.]
An abnormal duct or passage resulting from injury, disease, or a congenital disorder that connects an abscess, a cavity, or a hollow organ to the body surface or to another hollow organ.
瘘，瘘管：由于受伤、疾病或先天性变形引起的把脓肿、腔洞或空器官同身体或其它空器官连结起来的病变的通道

来源：
Middle English
中古英语
from Latin
源自 拉丁语