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Chapter 8 Nails


  
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The nail is an appendage of the skin and is part of what system?
 
Integumentary
The water content of the natural nail directly affects the nail's
 
Flexibility
The portion of living skin on which the nail plate sits is the
 
Nail bed
The nail bed is supplied with many nerves and is attached to the nail plate with a thin layer of tissue called the
 
Bed Epithelium
The part of the nail where the natural nail is formed is the
 
Lunula
The visible part of the matrix that extends underneath the living skin is called
 
Lunula
The most visible and functional part of the nail module is the
 
Nail plate
The nail plateis constructed of how many layers of nail cells?
 
100
The dead, colorless tissue attached to the nail plate that is responsible for preventing entry of foreighn material and microorganisms is the
 
Cuticle
The living skin at the base of the nail plate covering the matrix area is the
 
Eponychium
The slightly thickened layer of skin that lies underneath the free edge of the nail plate is the
 
Hyponychium
The fibrous tissues that connect the nail bed and the matrix to the underlying bone are
 
Specialized ligaments
The portion of the natural nail plate that extends over the fingertip or toes is called the
 
Nail body
Natural nails will continue to grow provided what part of the nial is healthy and undamaged?
 
Matrix
The nail that grows the fastest is on the
 
Index finger
The average rate of nail growth in the normal adult is about
 
1/8 inch per month
Ordinarily, replacement of the natural nail takes about
 
4 to 6 months
The nail that grous the slowest is on the
 
Little finger
Normal, healthy nails grow in a veriety of shapes, depending upon the shape of the
 
Matrix

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