Which term best describes the border formed by the skin at the base of the nail and helping protect the nail matrix?

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Study for the History and Physical (Handamp;P) Exam 1. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which term best describes the border formed by the skin at the base of the nail and helping protect the nail matrix?

Explanation:
The border formed by skin at the base of the nail that helps protect the nail matrix is the eponychium. This thin layer of living skin overlaps the proximal nail fold and covers the matrix, creating a protective seal as the new nail keratin forms. The lunula is simply the visible white crescent of the matrix seen through the nail plate, not a protective border. The hyponychium lies under the distal edge of the nail, and the nail plate is the hard keratin structure of the nail itself.

The border formed by skin at the base of the nail that helps protect the nail matrix is the eponychium. This thin layer of living skin overlaps the proximal nail fold and covers the matrix, creating a protective seal as the new nail keratin forms. The lunula is simply the visible white crescent of the matrix seen through the nail plate, not a protective border. The hyponychium lies under the distal edge of the nail, and the nail plate is the hard keratin structure of the nail itself.

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