epidermal Tissue System

Epidermal tissue system

The ______ forms the outer-most covering of the whole plant body and comprises epidermal cells, stomata, and the epidermal appendages.

Epidermis

The ______ is the outermost layer of the primary plant body, usually single-layered and made up of elongated, compactly arranged cells.

Cuticle

The outside of the epidermis is often covered with a waxy thick layer called the ______ which prevents the loss of water.

Stomata

______ are structures present in the epidermis of leaves and regulate the process of transpiration and gaseous exchange.

Guard cells

Each stoma is composed of two bean-shaped cells known as ______ which enclose the stomatal pore.

Guard cells

The outer walls of ______ are thin and the inner walls are highly thickened.

Stomata

The guard cells possess chloroplasts and regulate the opening and closing of ______.

Subsidiary cells

Sometimes, a few epidermal cells, in the vicinity of the guard cells, become specialised and are known as ______.

Stomatal apparatus

The stomatal aperture, guard cells, and the surrounding subsidiary cells are together called ______.

Root hairs

The root hairs are unicellular elongations of the epidermal cells and help absorb water and minerals from the soil.

Trichomes

On the stem, the epidermal hairs are called ______.