Questions and Answers
What is the average growth rate of nails in adults?
1/8" (.3cm) per month
What is the primary purpose of a free edge?
To protect the tip of the finger and/or toe
What is the thickening of the nail plate and/or abnormal outgrowth of the nail?
Onychauxis
Pterygium of the nail can occur at either the hyponychium or at the?
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Another term for tinea pedis is?
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The active tissue that generates cells which harden as they move outwards to form the nail plate is called the nail?
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What part of the nail contains lymph, blood vessels, and nerves that create cells?
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What is the pocket-like structure that holds the root and matrix of the nail?
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Uneven growth of a nail may cause?
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The study of the structure and growth of the nails is called?
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Systemic or long-term illness or nerve disturbance can cause kolionychia, also known as?
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Onychorrhexis is a term indicating the nail condition called?
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Another term for bitten nails is?
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What are the normal growth circumstances for a new fingernail?
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What is the living tissue that overlies the nail plate on the sides of the nail?
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The nail disease referred to as ringworm of the nail is?
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Another name for split or brittle nails is?
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The nail bed is attached to the bone by specialized?
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What condition can result when the cuticle becomes overly dry and splits?
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Onychoptosis refers to?
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The living tissue under the free edge of the nail is the?
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The nail plate rests on which area of the nail?
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The part of the nail plate that extends beyond the end of the finger is called the?
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The live tissue at the base of the nail is called the?
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Indented vertical lines down the nail plate that may be caused by illness or injury are called?
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Study Notes
Nail Growth and Anatomy
- Average nail growth rate in adults is 1/8 inch (0.3 cm) per month.
- New fingernails typically grow within 4-6 months.
- The nail matrix generates cells that form the nail plate and contains essential lymph, blood vessels, and nerves.
- The free edge protects the fingertip or toe tip.
- The mantle is a pocket-like structure that holds the root and matrix of the nail.
- The nail bed, where the nail plate rests, is attached to the bone via specialized ligaments.
Nail Conditions and Abnormalities
- Onychauxis refers to the thickening or abnormal outgrowth of the nail.
- Pterygium can occur at the eponychium or hyponychium.
- Wavy ridges on nails may indicate uneven nail growth.
- Onychorrhexis indicates split or brittle nails, commonly known as onychorrhexis.
- Shedding or falling off of nails is termed onychoptosis.
- A hangnail occurs when cuticles become overly dry and split.
- Indented vertical lines in the nail plate are called furrows and may result from illness or injury.
Medical Terms and Nail Diseases
- Spoon nails are a result of systemic illness or nerve disturbance, known as kolionychia.
- Onychomycosis is the ringworm infection of the nail.
- Tinea pedis is another name for athlete's foot.
- Onychophagy refers to the condition of bitten nails.
Nail Related Structures
- The hyponychium is the living tissue under the free edge of the nail.
- The perionychium refers to the living tissue that overlaps the nail plate on the sides.
- The eponychium is the live tissue at the base of the nail.
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Description
Test your knowledge on nail theory with these flashcards! This quiz covers essential concepts like nail growth rates, free edge functions, and conditions affecting nails. Perfect for beauty students or nail technicians looking to reinforce their understanding.
