PATHOLOGY MCQ
SKIN
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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stratum spinosum
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stratum granulosum
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stratum lucidium
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stratum corneum
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Detailed explanation-1: -The stratum lucidum is a smooth, seemingly translucent layer of the epidermis located just above the stratum granulosum and below the stratum corneum. This thin layer of cells is found only in the thick skin of the palms, soles, and digits.
Detailed explanation-2: -Stratum lucidum, 2-3 cell layers, present in thicker skin found in the palms and soles, is a thin clear layer consisting of eleidin which is a transformation product of keratohyalin.
Detailed explanation-3: -The stratum lucidum layer is only present in the thicker skin of the palms and soles. Its main function is to reduce friction between the stratum corneum and stratum granulosum. The name itself comes from the Latin for “clear layer, ‘’ which describes the transparency of the cells themselves.