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hypodermis

[hahy-puh-dur-mis]
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 of hypoderm

  • 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 for hypodermis

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
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.