Which layer of the epidermis contains melanocytes and Merkel cells?

Study for the DAT Quantitative Reasoning Test with multiple choice questions and detailed explanations. Hone your skills and get ready for your exam!

The stratum basale is the deepest layer of the epidermis and plays a crucial role in the formation of new skin cells. This layer is where keratinocytes, which are the primary cells of the epidermis, originate and begin their journey toward the surface. In addition to keratinocytes, the stratum basale contains melanocytes, which are responsible for the production of melanin – the pigment that gives skin its color and protects against UV radiation.

Furthermore, this layer also consists of Merkel cells, which function as mechanoreceptors and are involved in the sensation of touch. The presence of melanocytes and Merkel cells within the stratum basale highlights its importance not only in the renewal of skin cells but also in contributing to the skin's pigmentation and sensory functions. This makes the stratum basale a critical component of the epidermis, as it combines both protective and sensory roles.

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