Milady Chapter 9 – Flashcards
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integumentary
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The natural nail is part of what system?
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flexibility
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The water content of the natural nail directly affects the Nail's:
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nail plate
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The most visible and functional part of the nail unit is the:
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100
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The nail plate is constructed of _____ layers of nail cells
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free edge
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The part of the nail plate that extends over the tip of the finger or toe
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nail bed
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The portion of living skin that supports the nail plate
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bed epithelium
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The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue called the:
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matrix
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The area of the nail where the nail plate cells are formed
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cuticle
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The dead, colorless tissue attached to the natural nail plate
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eponychium
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The living skin at the base of the nail plate covering the matrix area
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hyponychium
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The slightly thickened layer of skin that lies between the fingertip and the free edge of the natural nail plate
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ligament
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The tough band of fibrous tissue that connects bones or holds an organ in place
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matrix
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Normal, healthy nails grow in a variety of shapes, depending upon the shape of the:
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1/10 inch per month
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The average rate of nail growth in the normal human adult
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natural nail
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Also known as the onyx, composed mainly of keratin
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lateral nail fold
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Fold of skin overlapping the side of the nail
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lunula
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Visible part of the matrix that extends from underneath the living skin
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nail grooves
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The slits or furrows on the sidewall of the nail
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4 to 6
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If lost, the fingernail takes ____ to ____ months to replace
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summer
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In which season does the nail grow fastest?
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health
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The appearance of the nails can reflect the general _______ of the body
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harder
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The keratin in natural nails is _______ than the keratin in hair
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longer
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Toenails are thicker and harder that fingernails because the toenail matrix is:
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15 and 25
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The water content of the nail is between ____ and ____ percent
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nail bed
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The blood vessels that provide nourishment for growth of the nail are found in the:
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middle finger
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The nail that grows fastest
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thumb
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The nail that grows slowest
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9 to 12
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If lost, the toenail takes ____ to ____ months to replace
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perionychium
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The tissue bordering the sides of the fingernail or toenail
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translucent
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A healthy nail is _________ in appearance
