Crossword clues for the word: TUBULE The word TUBULE has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for TUBULE Showing 1 to 8 of 8 results Clue(s) "Capillary, e.g." "Piece of macaroni, e.g." "Tiny biological channel, as in the kidney" Capillary's cousin Cousin of a capillary Small cylindrical structure Small pipe Tiny hollow cylinder