What is the name of the pigment producing cells of the epidermis

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To answer this question, we need to identify which cell type in the epidermis is specialized for pigment production. 
Option 1: fibroblasts. These cells reside in connective tissue and synthesize extracellular matrix components; they are not pigment-producing cells, so this choice is incorrect in the context of epidermal pigmentation. 
Option 2: keratinocytes. The most abundant cells in the epidermal layers, keratinocytes manufacture keratin and contribute to barrier function, but they do not produce pigment, making this option inappropriate for pigment production. 
Option 3: melanocytes. These are the pigment-producing cells located primarily in the basal layer of the epidermis; they synthesize melanin and transfer it to neighboring keratinocytes, which directly ties them to skin color, so this is the correct conceptual match for pigment production. 
Option 4: stratified squamous epithelium. This term describes the tissue organization of the epidermis rather than a cell type; it’s not a pigment-producing cell itself, so selecting it would be a mismatch. 
Option 5: dendritic cells. In the epidermis, dendritic cells refer to Langerhans cells, which are involved in immune surveillance rather than pigment production, making this choice incorrect for our question. 
Collectively, the reasoning shows that only the melanocytes fulfill the role of pigment production within the epidermis, while the other options either refer to other cell types or describe tissue organization rather than pigment-producing cells.

BIOLOGY 211-B09C Practice Exam 1

What is the name of the pigment producing cells of the epidermis

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