HYPODACTYLUM
Hyp`o*dac"ty*lum, n.; pl. -tyla. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The under side of the toes.

HYPODERM
Hyp"o*derm, n. Etym: [Pref. hypo- + -derm.] (Biol.)

Defn: Same as Hypoblast.

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.

HYPODERMATIC
Hyp`o*der*mat"ic, a.