Podcast
Questions and Answers
Which part of the nail serves as a watertight seal that protects the matrix against infection?
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:
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:
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?
The nail plate rests on which area of the nail?
A protein substance found in nails, skin, and hair is?
A protein substance found in nails, skin, and hair is?
The study of the structure and growth of the nails is called:
The study of the structure and growth of the nails is called:
Another term for tinea pedis is:
Another term for tinea pedis is:
A loosening or separation of the nail is referred to as:
A loosening or separation of the nail is referred to as:
Another name for split or brittle nails is:
Another name for split or brittle nails is:
Another term for bitten nails is:
Another term for bitten nails is:
What is the lunula?
What is the lunula?
What is the hyponychium?
What is the hyponychium?
What is the technical name for the nail?
What is the technical name for the nail?
What does the matrix contain?
What does the matrix contain?
What is the average fingernail growth rate?
What is the average fingernail growth rate?
How long does it take for an average fingernail to grow vs a toenail?
How long does it take for an average fingernail to grow vs a toenail?
What is the term for any disease, disorder, or condition of the nail?
What is the term for any disease, disorder, or condition of the nail?
What is etiology?
What is etiology?
What are the 6 signs of infection?
What are the 6 signs of infection?
Ringworm of the nail is known as:
Ringworm of the nail is known as:
Ringworm of the hand is known as:
Ringworm of the hand is known as:
Ringworm of the feet is also known as:
Ringworm of the feet is also known as:
Inflammation of the skin around the nail is known as:
Inflammation of the skin around the nail is known as:
Shedding of falling off of nails is referred to as:
Shedding of falling off of nails is referred to as:
Inflammation of the nail matrix is called:
Inflammation of the nail matrix is called:
A trophy of nail or wasting away of nail is known as:
A trophy of nail or wasting away of nail is known as:
Loosening or separation of the nail is referred to as:
Loosening or separation of the nail is referred to as:
Bluish nails indicate what?
Bluish nails indicate what?
Very soft, thin nails are referred to as:
Very soft, thin nails are referred to as:
What does horizontal wavy ridges across nail indicate?
What does horizontal wavy ridges across nail indicate?
Nails with a concave shape are known as:
Nails with a concave shape are known as:
Indented vertical lines down the nail plate are called:
Indented vertical lines down the nail plate are called:
What is onychogryposis?
What is onychogryposis?
Ingrown nails are referred to as:
Ingrown nails are referred to as:
What does brown or black darkening of the nail indicate?
What does brown or black darkening of the nail indicate?
What is thickening of the nail plate or an abnormal outgrowth of the nail called?
What is thickening of the nail plate or an abnormal outgrowth of the nail called?
What are split cuticles, loose skin partially separated from cuticle called?
What are split cuticles, loose skin partially separated from cuticle called?
What does dark purplish discoloration under the nail indicate?
What does dark purplish discoloration under the nail indicate?
What are white spots appearing in the nail called?
What are white spots appearing in the nail called?
Living skin that becomes attached to nail plate is called?
Living skin that becomes attached to nail plate is called?
Indented similar to corrugations that run across nail are known as:
Indented similar to corrugations that run across nail are known as:
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.
Studying That Suits You
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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.
