protoderm

[ proh-tuh-durm ]

nounBotany.
  1. a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis.

Origin of protoderm

1
First recorded in 1930–35; proto- + -derm

Words Nearby protoderm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

Scientific definitions for protoderm

protoderm

[ prōtə-dûrm′ ]


  1. The primary meristem in vascular plants that gives rise to epidermis. Also called dermatogen

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