protoderm

[proh-tuh-durm]

pro·to·derm

[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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To protoderm

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Protoderm is always a great word to know.
So is seedless vascular plant. Does it mean:
plants with true roots, stems and leaves dispersed by spores because they don't produce seeds
plants with the vascular tissues xylem and phloem for transporting water and nutrients
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.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT