endodermis

  1. Noun.  (botany) In a plant stem or root, a cylinder of cells the separates the outer cortex from the central core. The endodermis controls flow of water and minerals within the plant. In most plants, this tissue is restricted to the roots.
  2. Noun.  (zoology) The deepest layer of the skin.

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This entry was last updated on RefTopia from its source on 3/20/2012.