- 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 hypodermal
Dermal glands: hypodermal unicellular glands which secrete wax, setae, spines, etc.Explanation of Terms Used in Entomology
John. B. Smith
Dr. Hagen has divided the colours of insects into two classes, the epidermal and hypodermal.
In this connection, Dr. Hagen remarks, that probably all mimetic colours are hypodermal.
The hypodermal colours are usually lighter than the epidermal, and are sometimes changed by a voluntary act.
- 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.