This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Layers of epidermis, dermis, Subject name: Dental
Prefilaggrin is found in which layer of epidermis? 
Select and explain. 
A. Stratum corneum, B. Stratum granulosum, C. Stratum spinosum, D. Stratum basale
B: Stratum granulosum
Answer: B: Stratum granulosum 
Explanation: Prefilaggrin(precursor molecule) is found in the keratohyaline granules present in the stratum granulosum. Filaggrin is most abundantly present in Stratum corneum. Filaggrin - helps in filament aggregation