fistulas

/F IH1 S CH AH0 L AH0 Z/
noun
  1. 1

    An abnormal connection or passageway between organs or vessels that normally do not connect.

  2. 2

    A tube, a pipe, or a hole.

  3. 3

    The tube through which the wine of the Eucharist was once sucked from the chalice.

Source: https://en.wiktionary.org/wiki/fistula, https://en.wiktionary.org/wiki/fistulas