INTEGUMENTERY SYSTEM
INTEGUMENTERY SYSTEM MISCELLENOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which layer of the skin contains no nerves and blood vessels?
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subcutaneous fascia
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epidermis
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dermis
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hypodermis
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Explanation:
Detailed explanation-1: -The epidermis contains no blood vessels, and cells in the deepest layers are nourished by diffusion from blood capillaries present in the upper layers of the dermis.
Detailed explanation-2: -Using immunohistochemical procedures numerous nerve fibers have been found in all cell layers of human epidermis. These nerves originate from nerve trunks in the dermis, enter the epidermis, then divide distally to eventually end in small enlargements, near the surface of the skin and in deeper areas.
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