calyptrogen Hear it!

calyptrogen definition

ca·lyp·tro·gen (kə lip′trə jən)

noun

the layer of actively dividing cells at the tip of a root in many plants, as grasses, that produces the root cap

Etymology: < calyptra + -gen

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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