protoderm

protoderm

[proh-tuh-durm]
noun Botany.
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:
1930–35; proto- + -derm

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
protoderm   (prō'tə-dûrm')  Pronunciation Key 
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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