tubule definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a small tube; minute tubular structure in an animal or plant
Origin: ; from Classical Latin tubulus, diminutive of tubus, tube
tubule definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A very small tube or tubular structure.
Origin: Latin tubulus, diminutive of tubus, tube.
tubule - Medical Definition
A very small tube or tubular structure; tubulus.