| Term 
 | Definition 
 
        | Visible depressions running across the width of the natural nail plate |  | 
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        | Term 
 | Definition 
 
        | Condition in which a blood clot forms under the nail plate, forming a dark purplish spot, usually due to injury. |  | 
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        | Term 
 | Definition 
 
        | Wavy ridges caused by uneven nail growth; usually result of illness or injury |  | 
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        | Term 
 | Definition 
 
        | Noticeably thin, white nail plate that is more flexible than normal |  | 
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        | Term 
 | Definition 
 
        | Deprerssions in the nail that run either lengthwise or across tha nail; result from illness, injury, stress or pregnancy. |  | 
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        | Term 
 | Definition 
 
        | Condition in which the eponychium or other living tissue surrounding the nail plate becomes split or torn |  | 
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        | Term 
 | Definition 
 
        | Redness, pain, swelling, or pus; refer to physician |  | 
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        | Term 
 | Definition 
 
        | Whitish discoloration of the nails, usually caused by injury to the matrix area; white spots |  | 
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        | Term 
 | Definition 
 
        | Darkening of the fingernails or toenails; may be seen as a black band under or within the nail plate, extending from the base to the free edge. |  | 
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        | Term 
 | Definition 
 
        | condition caused by an injury or disease of the nail unit |  | 
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        | Term 
 | Definition 
 
        | surface of nail plate appears rough and pitted, reddish spots, onycholysis |  | 
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        | Term 
 | Definition 
 
        | skin stretched by the nail plate |  | 
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        | Term 
 | Definition 
 
        | atrophy or wasting away of the nail |  | 
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        | Term 
 | Definition 
 
        | overgrowth in thickness of the nail |  | 
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        | Term 
 | Definition 
 
        | inflammation of the nail matrix with shedding of the nail |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | thickening and increased curvature of the nail |  | 
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