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hypodermis

[hahy-puh-dur-mis]
See more synonyms for hypodermis on Thesaurus.com
noun
  1. Zoology. an underlayer of epithelial cells in arthropods and certain other invertebrates that secretes substances for the overlying cuticle or exoskeleton.
  2. Botany. a tissue or layer of cells beneath the epidermis.
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Also hy·po·derm [hahy-puh-durm] /ˈhaɪ pəˌdɜrm/.

Origin of hypodermis

First recorded in 1865–70; hypo- + -dermis
Related formshy·po·der·mal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hypoderm

Historical Examples

  • Some cells about the fibro-vascular bundle acquire thick walls with the appearance and chemical reaction of the hypoderm cells.

    The Genus Pinus

    George Russell Shaw

  • The stomata of Pine leaves are depressed below the surface and interrupt the continuity of epiderm and hypoderm.

    The Genus Pinus

    George Russell Shaw

  • Epiderm and hypoderm of the leaf similar, appearing as a single tissue; resin-ducts external.

    The Genus Pinus

    George Russell Shaw

  • Its leaf-section is peculiar in the remarkable size of the inner cells of the hypoderm, especially in the angles of the leaf.

    The Genus Pinus

    George Russell Shaw

  • The cells of epiderm and hypoderm may be so similar that they appear to form a single tissue.

    The Genus Pinus

    George Russell Shaw


British Dictionary definitions for hypoderm

hypoderm

noun
  1. a variant of hypodermis
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Derived Formshypodermal, adjective

hypodermis

hypoderm

noun
  1. botany a layer of thick-walled supportive or water-storing cells beneath the epidermis in some plants
  2. zoology the epidermis of arthropods, annelids, etc, which secretes and is covered by a cuticle
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Word Origin

C19: from hypo- + epidermis
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

hypoderm in Medicine

hypodermis

(hī′pə-dûrmĭs)
n.
  1. An epidermal layer of cells that secretes an overlying chitinous cuticle, as in arthropods.
  2. tela subcutanea