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30 Cards in this Set
- Front
- Back
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Is the matrix living? |
Yes |
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The matrix is a extention of what?
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Stratum germinativum (germinating) |
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What is the matrix referred to as? |
The root of the nail |
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What is the matrix under? |
Nail fold or mantle |
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How is the matrix nourished? |
By a large supply of blood vessels |
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What happens in the matrix? |
It is where the cells divide to make the nail |
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What determines the size and shape of the nail |
The matrix |
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Damage to the matrix can cause what? |
Damage to the nails structure |
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What is the nail plate? |
It is the visable part of the nail |
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What does the nail plate contain? |
Hundreds of layers of nail |
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What is the 3 sections of keratinised cells bond by? |
Sulphur bonds, moisture and fat |
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Hiw much does the middle section make up of the nail plate? |
75% |
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Unlike skin cells nail cells cannot? |
Be easily exfoliated |
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What connects the nail plate to the finger? |
The nail bed |
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The nail plate is dead and contains no? |
Nerves and blood supply |
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What are the cells of the nail plate able to asorb and what happens if it get too much? |
It can asorb moisture but too much can cause the nail plate to split and peel |
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What is the free edge? |
It is the part of the nail that extends beyond the finger tip |
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What does the free edge do? |
It protects the hyponchium |
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What part of the nail can be filed? |
The free edge |
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Where is the hyponchium? |
It is at the edge of the nail bed just under the free edge |
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What does the hyponchium do? |
It has a seal that that protects the nail bed from infection |
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Where is the nail bed? |
Under the nail plate |
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What does the nail bed look like? |
It has a series of ridges and grooves |
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What is the visable part of the matrix? |
The lunula |
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Where is and what does the lunula look like? |
It is at the Base of the nail plate and is a pale pink color |
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Why is the lunula a different color? |
Becuase the circulation is less effective and the cells are not fully keratinised |
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Where can most people only see there lunula |
On their thumbs |
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How is the cuticle formed? |
It is formed by thickened stratum corneum ( the horny layer) |
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What part of the nail is constantly begin shed? |
The cuticle |
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What are the cuticles two parts? |
Eponychium and perionychium |
