Nail Structure and Growth - Chapter 8

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Questions and Answers

What is the water content of a healthy nail?

15% to 25%

What affects nail growth?

Nutrition, Exercise, and General Health

What does a longer matrix produce?

A thicker nail plate

After losing a toenail, how long does it take for a new nail to completely take its place?

<p>9-10 months</p>
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How long does ordinary replacement of the natural nail take?

<p>4 to 6 months</p>
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What are nails made out of?

<p>Keratin</p>
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What does a healthy nail look like?

<p>Whitish and Translucent</p>
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What does an adequate amount of water do for the nail?

<p>Makes it flexible</p>
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What does an inadequate amount of water cause?

<p>Rigidity</p>
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Poor nail growth is caused by what factors?

<p>Poor general health, injury to the matrix, nail disorder or disease</p>
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Study Notes

Nail Structure and Growth

  • Healthy nails contain a water content ranging from 15% to 25%.
  • Nail growth is influenced by factors such as nutrition, exercise, and overall health.
  • A longer nail matrix results in a thicker nail plate.
  • It takes approximately 9 to 10 months for a new toenail to completely replace a lost one.
  • Ordinary replacement of a natural nail takes about 4 to 6 months.
  • Nails are primarily composed of keratin, a fibrous protein.
  • Healthy nails appear whitish and translucent, showcasing good condition.
  • Adequate water in nails contributes to their flexibility and resilience.
  • Insufficient water causes nail rigidity, leading to brittleness and breakage.
  • Poor nail growth can stem from various issues, including poor general health, injury to the nail matrix, or nail disorders and diseases.

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