Nail Structure & Growth

Front

What is the technical term for the natural nail?

Back

Onyx

Front

The water content of the nail is between__________.

Back

15 and 25 percent

Front

The water content of a nail directly affects the nail's________.

Back

flexibility

Front

The nail unit consist of basic parts, which are the nail bed, matrix, nail plate, and _________.

Back

cuticle, eponychium, perionychium, hyponychium, specialized ligaments, and nail folds.

Front

The hardened keratin structure covering the nail bed is the__________.

Back

nail plate

Front

The most visible and functional part of the nail unit is called the_________,

Back

nail plate

Front

The nail plate is constructed of approximately how many layers of nail cells?

Back

100

Front

The end portion of the nail plate that reaches over the fingertip is called the ____________.

Back

free edge

Front

The blood vessels that provide nourishment for growth of the nail are found in the_________.

Back

nail bed

Front

What is the thin layer of tissue that attaches the nail plate and the nail bed?

Back

Bed epithelium