|—n , pl -las, -lae|
|1.||pathol an abnormal opening between one hollow organ and another or between a hollow organ and the surface of the skin, caused by ulceration, congenital malformation, etc|
|2.||obsolete any musical wind instrument; a pipe|
|[C14: from Latin: pipe, tube, hollow reed, ulcer]|
fistula fis·tu·la (fĭs'chə-lə)
n. pl. fis·tu·las or fis·tu·lae (-lē')
An abnormal passage from a hollow organ to the body surface, or from one organ to another.