[fis.tu.la] n, pl -las or -lae [ME, fr. L, pipe, fistula] (14c): an abnormal passage leading from an abscess or hollow organ to the body surface or from one hollow organ to another and permitting passage of fluids or secretions
FISTULA
Meaning of FISTULA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012