a small vein.
one of the branches of a vein in the wing of an insect.
Also veinule, veinulet.
Origin of venule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
anatomy any of the small branches of a vein that receives oxygen-depleted blood from the capillaries and returns it to the heart via the venous system
any of the branches of a vein in an insect's wing
Word Origin for venule
C19: from Latin vēnula diminutive of vēna vein
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1850, from Latin venula, diminutive of vena "vein" (see vein).
Online Etymology Dictionary, © 2010 Douglas Harper
A small vein, especially one joining capillaries to larger veins.capillary vein
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Any of the smaller veins that connect the capillaries to larger veins.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.