What are epidermal tissues?

From Greek: Epi (upon) Derma (skin). The outer layer of the dermis (skin). The outermost layer is also called “cuticle”, which comes from Latin “cutis” which also means skin. read more

The epidermal tissue includes several differentiated cell types: epidermal cells, guard cells, subsidiary cells, and epidermal hairs (trichomes). The epidermal cells are the most numerous, largest, and least specialized. These are typically more elongated in the leaves of monocots than in those of dicots. read more

Epidermis, in botany, outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant. The epidermis and its waxy cuticle provide a protective barrier against mechanical injury, water loss, and infection. read more

The epidermal tissue system has a variety of functions: -(i) It protects the inner tissues. (ii) It reduces the rate of transpira­tion due to cuticularisation of the outer layer. It also reflects the light to some extent, reducing heating. (iii) It helps in gaseous exchange due to presence of stomata. read more