periderm

(noun)

the outer layer of plant tissue; the outer bark

Related Terms

  • suberin
  • lenticel

Examples of periderm in the following topics:

  • Primary and Secondary Growth in Stems

    • The cork cambium, cork cells, and phelloderm are collectively termed the periderm.
    • The periderm substitutes for the epidermis in mature plants.
    • In some plants, the periderm has many openings, known as lenticels, which allow the interior cells to exchange gases with the outside atmosphere .
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