Chapter 9: Nail Structure & Growth

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 ______________.

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

4 to 6 months

Front

The nail growth rate on the _________________ is typically the slowest

Back

Thumb

Front

The nail has a water content between __________________.

Back

15 - 25%