Question

write short note on epidermis​

Answer 1

Answer:

The epidermis is the outermost of the three layers that make up the skin, the inner layers being the dermis and hypodermis. The epidermis layer provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss.

Answer 2

Short note on epidermis is given below:

•Epidermis is actually the layer which is present in the outermost part or region which covers the body of an organism. For example: the surface epithelium that is present in the skin of humans is what is known as the epidermis layer.

Here are some functions of epidermis layer:

• The cells constituting this layer has the role to protect the underlying cells from any kind of mechanical stress and damage.

• In plants, the waxy cuticle that is present in the layer of epidermis prevents moisture loss from leaves and stems.

• Also, this layer allows the passage of light into the mesophyll tissue by crossing through chloroplasts of the cell.

•In animlas, this layer acts as a barrier and doesn't allow passage of UV rays, pathogens, chemicals, etc.

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