Is “Tubules” a Scrabble word?
Yes
TUBULES
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Tubules
noun
1.A small pipe or fistular body; a little tube.
“renal tubule”