Epidermal cells

Definition

Cells that form the outer layer of the insect cuticle, responsible for secretion and maintenance of the cuticle.

Etymology

From Greek 'epi-' meaning 'upon' or 'above', and 'derma' meaning 'skin'.

Example

Epidermal cells in insects are responsible for secreting the cuticle that protects their bodies.

Related Terms

• Cuticle
• Insect integument

Usage Notes

Epidermal cells are often characterized by their columnar shape during cuticle secretion and their involvement in wound repair.