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protoderm

[proh-tuh-durm] /ˈproʊ təˌdɜrm/
noun, Botany
1.
a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis.
Also called dermatogen.
Origin
1930-1935
1930-35; proto- + -derm
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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protoderm in Science
protoderm
  (prō'tə-dûrm')   
The primary meristem in vascular plants that gives rise to epidermis. Also called dermatogen.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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