Malpighian tubules Hear it!

Malpighian tubules definition

Malpighian tubules

a group of small, tubular, excretory and water-regulating glands that open into the hind part of the alimentary canal in most insects and spiders

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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