Ch. 9-Nail Structure and Growth-EW

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

thumb

Front

The nail has a water content between ______.

Back

15 and 25 percent