INTEGUMENTERY SYSTEM
DERMIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the outermost layer; 20-30 cell layers thick; cells are dead skin protection
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stratum spinosum
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stratum granulosum
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stratum basale
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stratum lucidum
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stratum corneum
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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: -The stratum corneum is the most superficial layer of the epidermis and is the layer exposed to the outside environment (see Figure 5.1. 4). The increased keratinization (also called cornification) of the cells in this layer gives it its name. There are usually 15 to 30 layers of cells in the stratum corneum.
Detailed explanation-3: -The epidermis is the most superficial stratum of the epidermis and consists of 15 to 20 layers of cells that are considered dead. This layer also consists of interlocking keratinized cells.
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