protostele Hear it!

protostele definition

proto·stele (prōt′ə stēl′, -stē′lē)

noun

a simple, primitive arrangement of conducting tissues in stems and roots of certain lower plants, consisting of a solid cylinder of xylem surrounded by a layer of phloem

Etymology: proto- + stele

Related Forms:

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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