Crossword Puzzle Nail Anatomy CrosswordOnline version Test your knowledge of the structure and components of nails with this engaging puzzle. by Jay 1 A fibrous protein that forms the main structural component of nails. 2 The visible part of the nail matrix, often appearing as a white crescent shape at the base. 3 The tissue beneath the nail that produces new cells for nail growth. 4 The layer of skin at the base of the nail that protects the area from infection. 5 The skin beneath the nail plate that supports and nourishes the nail. 6 The area of skin beneath the free edge of the nail that provides protection. 7 The hard, visible part of the nail that protects the underlying tissues. 8 The separation of the nail from the nail bed, often due to injury or infection. 8 6 7 1 3 2 4 5