derma

From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:30, 13 September 2013 by Andreas Plank (Talk | contribs)

Jump to: navigation, search
derma also dermis (noun; Greek derma, skin): 1. The layer of the cuticle, laminated in structure, beneath the epidermis.

2. (Porifera) The extreme outer surface layer of membrane or reinforcement by spicules and/or sand.