Common nail disorders and diseases a nail technician must recognize and when to refer a client to a physician, tested on state board exams.
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- What is onychosis?
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A general term for any abnormality or disease of the natural nails.- What is onychatrophia?
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Atrophy (wasting away) of the nail, causing it to shrink, lose shine, and sometimes shed.- What is onychauxis?
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Abnormal thickening of the nail plate.- What is onychocryptosis?
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An ingrown nail that grows into the surrounding skin tissue.- What is onychogryposis?
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A nail disorder causing increased curvature and claw-like thickening of the nail.- What is onycholysis?
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Separation of the nail plate from the nail bed, usually starting at the free edge, without shedding.- What is onychomadesis?
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Separation and complete shedding of the nail plate from the nail bed.- What is onychophagy?
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The technical term for the habit of biting the nails.- What is onychoptosis?
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Periodic shedding of one or more nails, sometimes the entire nail plate.- What is onychorrhexis?
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A condition of brittle, split nails with lengthwise ridges.- What is a hangnail (agnail)?
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A condition in which the skin surrounding the nail plate splits or tears.- What is pterygium (in nail technology)?
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Forward growth of the cuticle that sticks to the nail plate as it grows.- What is leukonychia?
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White spots or patches on the nail plate, usually caused by injury to the nail matrix.- What is melanonychia?
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Dark discoloration (black or brown) of the nail plate.- What is koilonychia?
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A condition in which the nails are thin and concave, curving upward (spoon nails).
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