black vertical marks on nails?

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black vertical marks on nails?

what health hazard do black vertical lines on nails indicate?

2006-11-06 01:33:54 · 1 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Skin Conditions

1 answers

Longitudinal melanonychia is the presence of a pigmented stripe, usually brown or black, along the length of the nail bed in darker-skinned individuals. Longitudinal melanonychia results from deposition of melanin in the nail plate from a variety of causes.

2006-11-06 01:40:57 · answer #1 · answered by swomedicineman 4 · 1⤊ 0⤋