Texas Manicurist Written Practice Exam 2025 – Complete Prep Resource

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What is the function of the lunula in nail anatomy?

It protects the nail bed

It aids in nail growth

The lunula is the visible part of the matrix, which is the tissue under the base of the nail that actively contributes to nail growth. It appears as a pale, crescent-shaped area at the base of the nail and is essential in the development of new nail cells. As these cells grow and multiply, they push the older cells forward, resulting in the elongation of the nail. Therefore, the main function of the lunula is to aid in nail growth, making it a critical component in maintaining healthy nails.

Other options, while related to nail anatomy, do not accurately describe the primary role of the lunula. For instance, the lunula does not serve to protect the nail bed directly, nor does it play a role in coloring the nail or shaping its tip. These aspects are influenced by other parts of the nail structure and its surrounding tissues.

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It colors the nail

It shapes the tip of the nail

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