Which of the following layer of epidermis in man
nrovides the main protection of body against water
loss and the entry of disease causing organisms?
(1)Stratum lucidium
(2)Stratum spongiosum
(3)Stratum germinativum
(4)Stratum corneum
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Explanation:
Stratum corneum is the most superficial layer of skin and has keratinized cells. Keratin is a waterproof substance and protects the body from water loss and water gain. Presence of sebaceous glands that serve to weaken or kill the bacteria on skin allow the layer to serve as mechanical barrier against microbe invasion.
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