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[too-byool, tyoo-] /ˈtu byul, ˈtyu-/
a small tube; a minute tubular structure.
Origin of tubule
1670-80; < Latin tubulus, equivalent to tub(us) pipe + -ulus -ule Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tubule
  • Red blood cell casts are a sign of bleeding into the kidney tubule.
  • Some inheritable mutations cause gradual damage to the cells that work on the tubule side of the glomerular filtration membrane.
  • Within a few years, he had figured out how to coax these cells to form mature tubule structures in the lab.
British Dictionary definitions for tubule


any small tubular structure, esp one in an animal, as in the kidney, testis, etc
Word Origin
C17: from Latin tubulus a little tube
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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tubule in Medicine

tubule tu·bule (tōō'byōōl, tyōō'-)
A very small tube or tubular structure; tubulus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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