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Question

The substance responsible for making the stratum lucidum layer transparent is

A
Eleidin
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B
Keratin
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C
Keratohyalin
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D
Albumin
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Solution

The correct option is C Eleidin
The stratum lucidum is present only in the thick skin of areas such as the fingertips, palms, and soles. It has four to six layers of flattened, clear, dead keratinocytes. These keratinocytes are densely packed with eleiden, a clear protein rich in lipids, derived from keratohyalin. This protein is responsible for giving stratum lucidum its transparent, that is, lucid appearance and provides a barrier to water.
So, the correct answer is 'Eleidin'.

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