Question

(i) Explain the different layers of epidermis of skin.

Answer 1

• The three layers of epidermis is-
• Stratum corneum:
• It is the outermost layer and made of dead cells.
• Function:

(i) Mechanical protection.
(ii) Prevents entry of germs.
(iii) Prevents loss of water.

• Granular layer:
• It is the middle layer and made of flattened cells.
• Function:

(i) Gives rise to outermost cornified
layer.

• Malpighian layer:
• It is the innermost and dividing layer of the skin.
• Function:

(i) Malpighian layer contains the cells
called melanocytes which produce
the pigment melanin.