hypodermis

from WordNet (r) 3.0 (2006)

hypodermis
    n 1: layer of cells that secretes the chitinous cuticle in e.g.
         arthropods

from The Collaborative International Dictionary of English v.0.48

Hypodermis \Hyp`o*der"mis\, n. [NL. See {Hypo-}, and {Derma}.]
   1. (Biol.) Same as {Hypoblast}.
      [1913 Webster]

   2. (Zool.) Same as {Hypoderma}, 2. Hypodicrotic