amphibolic fistula

am·phi·bol·ic fis·tu·la

, amphibolous fistulaa complete anal fistula opening both externally and internally.

am·phi·bol·ic fis·tu·la

, amphibolous fistula (am'fi-bol'ik fis'tyū-lă, am-fib'ŏ-lŭs) A complete anal fistula with both external and internal openings.