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protostele

[proh-tuh-steel, -stee-lee] /ˈproʊ təˌstil, -ˌsti li/
noun, Botany
1.
the solid stele of most roots, having a central core of xylem enclosed by phloem.
Origin
1900-1905
1900-05; proto- + stele
Related forms
protostelic
[proh-tuh-stee-lik] /ˌproʊ təˈsti lɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for protostele

protostele

/ˈprəʊtəˌstiːl; -ˌstiːlɪ/
noun
1.
a simple type of stele with a central core of xylem surrounded by a cylinder of phloem: occurs in most roots and the stems of ferns, etc
Derived Forms
protostelic, adjective
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
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protostele in Science
protostele
  (prō'tə-stēl', prō'tə-stē'lē)   
The most primitive form of stele, consisting of a solid core of xylem encased by phloem or of xylem interspersed with phloem. The roots of all vascular plants, as well as the stems of lycophytes, have protosteles.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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