[ en-doh-dur-mis ]

  1. a specialized tissue in the roots and stems of vascular plants, composed of a single layer of modified parenchyma cells forming the inner boundary of the cortex.

Origin of endodermis

First recorded in 1880–85; endo- + -dermis

Words Nearby endodermis

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How to use endodermis in a sentence

British Dictionary definitions for endodermis


/ (ˌɛndəʊˈdɜːmɪs) /

  1. botany the specialized innermost layer of cortex in roots and some stems, which controls the passage of water and dissolved substances between the cortex and stele

Origin of endodermis

C19: from New Latin, from endo- + Greek derma skin

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for endodermis


[ ĕn′də-dûrmĭs ]

  1. The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems. In the roots the endodermis helps regulate the intake of water and minerals into the vascular tissues from the cortex.

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