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