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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 hypodermis

Historical Examples

  • The hypodermis of this region is of two distinct types of cells.

    Handbook of Medical Entomology

    William Albert Riley

  • The term 'hypodermis' frequently applied to this layer is misleading.

    The Life-Story of Insects

    Geo. H. Carpenter

  • The cells of the hypodermis multiply greatly, and lie one above the other in numerous layers.

    Our Common Insects

    Alpheus Spring Packard

  • The hypodermis of the larva passes directly into that of the imago.

  • The hypodermis is the immediate agent in effecting the external changes.


British Dictionary definitions for hypodermis

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

hypodermis 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