hypodermis

Definitions

  • WordNet 3.6
    • n hypodermis layer of cells that secretes the chitinous cuticle in e.g. arthropods
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Webster's Revised Unabridged Dictionary
    • Hypodermis (Biol) Same as Hypoblast.
    • Hypodermis (Zoöl) Same as Hypoderma, 2.
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Century Dictionary and Cyclopedia
    • n hypodermis In annelids, as the earthworm, a thick layer, below the cuticula, of reticulated or nucleated tissue, in the meshes of which is a copious transparent gelatinous substance. It is considered by some as probably representing both the dermis and the epidermis of other animals.
    • n hypodermis In entomology, a soft cellular substance or tissue lining the abdominal wall of an insect, within the chitinous investment. The more superficial parts of it represent an ectoderm or epidermis, the deeper portion being a parietal layer of the mesoderm.
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Etymology

Webster's Revised Unabridged Dictionary
NL. See Hypo-, and Derma

Usage

In literature:

The cells of the hypodermis multiply greatly, and lie one above the other in numerous layers.
"Our Common Insects" by Alpheus Spring Packard
The cuticle contrasts strongly in its nature with the hypodermis it protects.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4" by Various
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