What is the primary function of melanocytes?

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

Melanocytes are specialized cells located primarily in the skin, responsible for the production of melanin, a pigment that gives color to the skin, hair, and eyes. Melanin plays a crucial role in protecting the skin from the damaging effects of ultraviolet (UV) light by absorbing harmful rays and preventing DNA damage. The presence of melanin in the skin also contributes to variations in skin tone and provides some level of protection against sunburn.

In contrast, the other options relate to functions not performed by melanocytes. The production of the extracellular matrix is primarily the role of fibroblasts, which provide structural support to tissues. Hormone secretion is typically associated with glandular cells, such as those found in the endocrine system, which release hormones into the bloodstream. The formation of blood vessels is the responsibility of endothelial cells, not melanocytes. Therefore, the primary function of melanocytes as producers of melanin is clear and fundamental to their role in the body.

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