- Zoology. an underlayer of epithelial cells in arthropods and certain other invertebrates that secretes substances for the overlying cuticle or exoskeleton.
- Botany. a tissue or layer of cells beneath the epidermis.
Also hy·po·derm [hahy-puh-durm] /ˈhaɪ pəˌdɜrm/.
Origin of hypodermis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hypoderm
Some cells about the fibro-vascular bundle acquire thick walls with the appearance and chemical reaction of the hypoderm cells.
The stomata of Pine leaves are depressed below the surface and interrupt the continuity of epiderm and hypoderm.
Epiderm and hypoderm of the leaf similar, appearing as a single tissue; resin-ducts external.
Its leaf-section is peculiar in the remarkable size of the inner cells of the hypoderm, especially in the angles of the leaf.
The cells of epiderm and hypoderm may be so similar that they appear to form a single tissue.
- a variant of hypodermis
- botany a layer of thick-walled supportive or water-storing cells beneath the epidermis in some plants
- zoology the epidermis of arthropods, annelids, etc, which secretes and is covered by a cuticle
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
- An epidermal layer of cells that secretes an overlying chitinous cuticle, as in arthropods.
- tela subcutanea
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.