INTEGUMENTERY SYSTEM
EPIDERMIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cells of this epidermal layer are involved in rapid cell division.
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Stratum Corneum
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Stratum Basale
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Stratum Spinosum
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Stratum Granulosum
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Explanation:
Detailed explanation-1: -The epidermal layer that exhibits the most rapid cell division is the stratum basale. The stratum basale (basal layer) is the innermost and the deepest layer of the epidermis which consists of rapidly dividing stem cells which produce new epidermal cells (keratinocytes) through mitotic cell division.
Detailed explanation-2: -The innermost basal layer, stratum basale (SB), consists in undifferentiated keratinocytes, stem cells, melanocytes, and Merkel cells.
Detailed explanation-3: -This layer, consisting of keratinized stratified squamous epithelium, is tough, relatively impermeable, and self-replacing. These functional qualities are conferred by the epidermis’ principal cell type, the keratinocyte.
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