- one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
Also called Malpighian tubule, Malpighian vessel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- organs of excretion in insects and many other arthropods: narrow tubules opening into the anterior part of the hindgut
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