Define epidermis.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Epidermis is the outermost single-layered protective tissue of the primary plant body (roots, stems, leaves).
Comprehensive Definition: The epidermis comprises:
- Compactly arranged parenchymatous cells (no intercellular spaces)
- Cuticle on the outer surface (waxy cutin layer)
- Stomata for gas exchange
- Trichomes (epidermal appendages) for protection
Metabolic Consideration: Epidermal cells are living, with a large central vacuole and peripheral cytoplasm.
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