Which layer of the skin is found in thick skin but not in thin skin?

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Multiple Choice

Which layer of the skin is found in thick skin but not in thin skin?

Explanation:
Thick skin has an extra translucent layer between the granular layer and the outermost horn layer, called the stratum lucidum. This layer, made of flattened, dead keratinocytes with eleidin, adds mechanical protection and helps form a tougher barrier where the skin endures a lot of friction (palms and soles). Thin skin doesn’t have this layer, so its epidermis goes from granulosum straight to the stratum corneum. That’s why the correct layer is the stratum lucidum.

Thick skin has an extra translucent layer between the granular layer and the outermost horn layer, called the stratum lucidum. This layer, made of flattened, dead keratinocytes with eleidin, adds mechanical protection and helps form a tougher barrier where the skin endures a lot of friction (palms and soles). Thin skin doesn’t have this layer, so its epidermis goes from granulosum straight to the stratum corneum. That’s why the correct layer is the stratum lucidum.

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