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periderm

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noun peri·derm \ˈper-ə-ˌdərm\

Definition of periderm

  1. :  an outer layer of tissue; especially :  a cortical protective layer of many roots and stems that typically consists of phellem, phellogen, and phelloderm



Origin and Etymology of periderm

New Latin peridermis, from peri- + -dermis


First Known Use: 1849


Medical Dictionary

periderm

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noun peri·derm \ˈper-ə-ˌdərm\

Medical Definition of periderm

  1. :  the outer layer of the epidermis of the skin especially of the embryo




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