Fistular

fis·tu·lous  (fsch-ls) or fis·tu·lar (-lr)

adj.

1. Of or resembling a fistula.

2. Tubular and hollow, as the leaves of a scallion.

3. Made of or containing tubular parts.

Thesaurus

Adj.

1.

fistular - hollow and tube-shaped like a reed fistulate, fistulous pathology - the branch of medical science that studies the causes and nature and effects of diseases hollow - not solid; having a space or gap or cavity; "a hollow wall"; "a hollow tree"; "hollow cheeks"; "his face became gaunter and more hollow with each year"