hypoderma

hypoderma is a   Noun

Definition:

[1] 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] An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.

Synonyms: