Which term refers to the granular layer where keratinocytes become flatter?

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Multiple Choice

Which term refers to the granular layer where keratinocytes become flatter?

The question tests understanding of the epidermal layers and the cells associated with the granular layer. In the stratum granulosum, keratinocytes become flatter as they move upward toward the surface and accumulate cytoplasmic granules (keratohyalin and lamellar granules) that help form the waterproof barrier. The cells in this granular layer are commonly referred to as granular cells, which is why this term fits best. Keratin refers to the protein produced during keratinization, not the layer’s cells. Keratinocytes are the general cell type of the epidermis, not specifically the granular-layer cells. Desquamation is the shedding process of the outer skin, not a cell type.

The question tests understanding of the epidermal layers and the cells associated with the granular layer. In the stratum granulosum, keratinocytes become flatter as they move upward toward the surface and accumulate cytoplasmic granules (keratohyalin and lamellar granules) that help form the waterproof barrier. The cells in this granular layer are commonly referred to as granular cells, which is why this term fits best. Keratin refers to the protein produced during keratinization, not the layer’s cells. Keratinocytes are the general cell type of the epidermis, not specifically the granular-layer cells. Desquamation is the shedding process of the outer skin, not a cell type.

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