fistulize
/ˈfɪstʃəˌlaɪz/Definitions
1. verb
to create or form a fistula, especially in medicine.
“The surgeon decided to fistulize the patient’s abscess to drain the infected material.”
2. verb
to create or make something resembling a fistula.
“The geologist found that the process of erosion fistulized the rock face, creating a network of narrow channels.”