Category:Hypoderma

Hyp`o*der"ma, n. Etym: [NL. See Hypo, and derma.]

1. (Bot.)

Defn: A layer of tissue beneath the epidermis in plants, and performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.

2. (Zoöl.)

Defn: An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.