INTEGUMENTERY SYSTEM
INTEGUMENTERY SYSTEM MISCELLENOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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epidermis
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hypodermis
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dermis
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None of the above
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Detailed explanation-1: -The epidermis does not contain blood vessels; instead, cells in the deepest layers are nourished by diffusion from blood capillaries that are present in the upper layers of the dermis.
Detailed explanation-2: -The epidermis is the outermost part, made of stratified squamous epithelial tissue. So, are there blood vessels in the epidermis? Nope. It’s epithelium and epithelial tissue is avascular.
Detailed explanation-3: -The second layer of the skin (located under the epidermis) is called the dermis; it contains collagen and elastin, blood vessels, lymph vessels, nerve endings, sweat glands, sebaceous (oil) glands, and hair follicles.
Detailed explanation-4: -Cornea is the only part in human body which has no blood supply. It directly takes oxygen from the air.