Questions and Answers
Which part of the nail serves as a watertight seal that protects the matrix against infection?
Mantle
The part of the nail plate that extends beyond the end of the finger is called the:
Free edge
The living tissue that overlies the nail plate on the sides of the nail is known as the:
Perionychium
The nail plate rests on which area of the nail?
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A protein substance found in nails, skin, and hair is?
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The study of the structure and growth of the nails is called:
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Another term for tinea pedis is:
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A loosening or separation of the nail is referred to as:
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Another name for split or brittle nails is:
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Another term for bitten nails is:
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What is the lunula?
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What is the hyponychium?
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What is the technical name for the nail?
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What does the matrix contain?
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What is the average fingernail growth rate?
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How long does it take for an average fingernail to grow vs a toenail?
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What is the term for any disease, disorder, or condition of the nail?
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What is etiology?
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What are the 6 signs of infection?
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Ringworm of the nail is known as:
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Ringworm of the hand is known as:
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Ringworm of the feet is also known as:
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Inflammation of the skin around the nail is known as:
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Shedding of falling off of nails is referred to as:
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Inflammation of the nail matrix is called:
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A trophy of nail or wasting away of nail is known as:
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Loosening or separation of the nail is referred to as:
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Bluish nails indicate what?
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Very soft, thin nails are referred to as:
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What does horizontal wavy ridges across nail indicate?
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Nails with a concave shape are known as:
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Indented vertical lines down the nail plate are called:
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What is onychogryposis?
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Ingrown nails are referred to as:
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What does brown or black darkening of the nail indicate?
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What is thickening of the nail plate or an abnormal outgrowth of the nail called?
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What are split cuticles, loose skin partially separated from cuticle called?
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What does dark purplish discoloration under the nail indicate?
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What are white spots appearing in the nail called?
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Living skin that becomes attached to nail plate is called?
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Indented similar to corrugations that run across nail are known as:
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Study Notes
Nail Anatomy and Growth
- Mantle: Watertight seal protecting the nail matrix from infection.
- Free edge: The part of the nail plate that extends beyond the fingertip.
- Perionychium: Living tissue covering the sides of the nail plate.
- Nail bed: The area on which the nail plate rests.
- Keratin: Protein found in nails, skin, and hair.
- Onychology: The study of nail structure and growth.
Nail Conditions and Disorders
- Tinea pedis: Also known as athlete's foot.
- Onycholysis: Loosening or separation of the nail.
- Onychorrhexis: Term for split or brittle nails.
- Onychophagy: Another name for bitten nails.
- Lunula: White half-moon shape at the base of the nail.
- Hyponychium: Living tissue underneath the free edge of the nail.
- Onyx: Technical term for the nail.
- Nail matrix: Contains lymph, blood vessels, and nerves.
Nail Growth and Development
- Average growth rate: Fingernails grow at 1/8 inch per month in adults.
- Growth duration: Fingernails take 4-6 months to grow; toenails take 12-18 months.
Nail Diseases and Etiology
- Onychosis: Any disease, disorder, or condition affecting the nail.
- Etiology: The cause of a disease or condition.
- Signs of infection: Pain, swelling, redness, local fever, throbbing, and pus.
Fungal and Skin Conditions
- Tinea unguium: Ringworm of the nail, also known as onychomycosis.
- Tinea manus: Ringworm of the hand.
- Paronychia: Inflammation of the skin around the nail.
- Onychoptosis: Shedding or falling off of nails.
- Onychia: Inflammation of the nail matrix.
- Onychatrophia: Wasting away of the nail.
Abnormal Nail Characteristics
- Blue nails: Bluish discoloration of nails.
- Eggshell nails: Very soft, thin nails.
- Corrugations: Horizontal wavy ridges across the nail.
- Koilonychia: Concave-shaped nails, known as spoon nails.
- Furrows: Indented vertical lines down the nail plate.
- Onychogryposis: Claw nails with increased curvature.
- Onychocryptosis: Ingrown nails.
- Melanonychia: Brown or black discoloration of the nail.
- Onychauxis: Thickening of the nail plate or abnormal growth.
- Agnails: Split cuticles with loose skin partially separated from the cuticle.
- Bruised nails: Dark purplish discoloration under the nail.
- Leukonychia: White spots appearing in the nail.
- Pterygium: Living skin attached to the nail plate at the eponychium or hyponychium.
- Beau's Lines: Indentations running across the nail similar to corrugations.
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Description
Test your knowledge of nail anatomy and terminology with these flashcards. Each card features a key term related to nail theory, along with its definition. Perfect for cosmetology students and anyone interested in nail care.
