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 epidermis is the outer layer that we see, made of layers of dead keratinized cells?
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Stratum corneum
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Stratum granulosum
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Stratum spinosum
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Stratum basale
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Explanation:
Detailed explanation-1: -The stratum corneum is the outermost layer of the epidermis, and is made up of 10 to 30 thin layers of continually shedding, dead keratinocytes.
Detailed explanation-2: -Keratinocytes are the predominant cell type of epidermis and originate in the basal layer, produce keratin, and are responsible for the formation of the epidermal water barrier by making and secreting lipids.
Detailed explanation-3: -The human stratum corneum comprises 15 or so layers of flattened corneocytes and is divided into two layers: the stratum compactum and the stratum disjunctum. The stratum compactum is the deep, dense, cohesive layer, while the stratum disjunctum is looser and lies superficially to the stratum compactum.
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