Question

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Explanation:

Identify the histological layers of thick skin epidermis

The diagram shows the layers (strata) of the epidermis in thick skin, numbered from superficial (top) to deep (bottom):

• 1: Stratum corneum (thick, keratinized outer layer)
• 2: Stratum lucidum (thin, clear layer found only in thick skin)
• 3: Stratum granulosum (layer containing keratohyalin granules)
• 4: Stratum spinosum (spiny layer containing desmosomes and Langerhans cells)
• 5: Stratum basale (deepest, single layer of actively dividing stem cells)

Answer:

The labeled layers of the epidermis are:

• 1: <blank>Stratum corneum</blank>
• 2: <blank>Stratum lucidum</blank>
• 3: <blank>Stratum granulosum</blank>
• 4: <blank>Stratum spinosum</blank>
• 5: <blank>Stratum basale</blank>