Nail Structure Ch 9

Front

A normal, healthy nail surface _____________.

Back

is shiny and smooth

Front

The portion of the living skin that supports the nail plate as it grows toward the free edge is called the ____________.

Back

nail bed

Front

The __________ is the whitish, half-moon shape underneath the base of the nail.

Back

lunula

Front

The part of the nail plate that extends over the tip of the finger or toe is the __________ .

Back

free edge

Front

A ________ is a tough band of fibrous tissue that connects bones or holds an organ in place.

Back

ligament

Front

The ________ is the fold of skin overlapping the side of the nail.

Back

sidewall

Front

As long as the __________ is nourished and healthy, new nail plate cells will be created.

Back

matrix

Front

Ordinarily, replacement of a natural fingernail takes about ______________.

Back

four to six months

Front

the nail growth rate on the _______ is typically the slowest.

Back

the thumb

Front

The nail has a water content between _______

Back

15 to 25 percent