hypodermis

noun

The hypodermis is the innermost layer of the skin.

意味（1）

An epidermal layer of cells that secretes an overlying chitinous cuticle, as in arthropods.

意味（2）

(botany) A layer of cells lying immediately below the epidermis.

意味（3）

(anatomy) A subcutaneous layer of loose connective tissue containing fat cells, lying beneath the dermis.