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ground meristem

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noun Botany.
  1. an area of primary meristematic tissue, emerging from and immediately behind the apical meristem, that develops into the pith and the cortex.
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Origin of ground meristem

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

ground meristem in Science

ground meristem

  1. The primary meristem in vascular plants that gives rise to the nonvascular tissues, such as cortex, pericycle, and pith. Within the seeds of angiosperms, it surrounds the procambium.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.