Podcast
Questions and Answers
What is onychatrophia?
What is onychatrophia?
Atrophy of the nail
As new cells are produced, they push the old cells forward toward the free edge and __?
As new cells are produced, they push the old cells forward toward the free edge and __?
keratinize
What is another name for a contagious fungal infection of the nails?
What is another name for a contagious fungal infection of the nails?
onychomycosis
Onychorrhexis indicates the nail condition of split or _____ nails?
Onychorrhexis indicates the nail condition of split or _____ nails?
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What is onychoschiza?
What is onychoschiza?
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What is a myxoid cyst?
What is a myxoid cyst?
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What term describes the cause of a disease or disorder?
What term describes the cause of a disease or disorder?
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What is onychosis?
What is onychosis?
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What describes nail psoriasis?
What describes nail psoriasis?
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In the illustration of the nail, what number represents the matrix?
In the illustration of the nail, what number represents the matrix?
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What number represents the proximal nail fold in the nail illustration?
What number represents the proximal nail fold in the nail illustration?
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What is another term for bitten nails?
What is another term for bitten nails?
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What determines the thinness or thickness of the nail plate?
What determines the thinness or thickness of the nail plate?
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What is the half-moon shape at the base of the nail called?
What is the half-moon shape at the base of the nail called?
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What happens during onychomadesis?
What happens during onychomadesis?
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Nails are made of a hardened protein known as?
Nails are made of a hardened protein known as?
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What are the nail sidewalls also known as?
What are the nail sidewalls also known as?
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The nail matrix creates nail cells that harden and flatten as they move outward from the __?
The nail matrix creates nail cells that harden and flatten as they move outward from the __?
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What area does the nail plate rest on?
What area does the nail plate rest on?
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What is the glassy band where the nail plate meets the hyponychium called?
What is the glassy band where the nail plate meets the hyponychium called?
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A green or yellow discoloration on the nail can indicate a __?
A green or yellow discoloration on the nail can indicate a __?
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If a nail is lost through disease, what may happen to the regrown nail?
If a nail is lost through disease, what may happen to the regrown nail?
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If a client shows signs of koilonychia (spoon nails), which action should you NOT take?
If a client shows signs of koilonychia (spoon nails), which action should you NOT take?
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What is a common cause of brittle nails?
What is a common cause of brittle nails?
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Which nail disease is described as a small, round lesion?
Which nail disease is described as a small, round lesion?
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What nail condition is typically caused by a nail plate stain?
What nail condition is typically caused by a nail plate stain?
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What is the purpose of the nail grooves?
What is the purpose of the nail grooves?
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Which nail structure is made of layers of hard keratinized nail cells?
Which nail structure is made of layers of hard keratinized nail cells?
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Which of the following terms is considered an appendage of the skin?
Which of the following terms is considered an appendage of the skin?
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What is the thin, pliable layer of non-living tissue that attaches to the nail plate?
What is the thin, pliable layer of non-living tissue that attaches to the nail plate?
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What is the job of the proximal nail fold?
What is the job of the proximal nail fold?
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What is the study of the structure and growth of the nails called?
What is the study of the structure and growth of the nails called?
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What skin structure extends from the first joint of the finger to the visible nail plate?
What skin structure extends from the first joint of the finger to the visible nail plate?
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What is the primary purpose of the free edge of the nail?
What is the primary purpose of the free edge of the nail?
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What part of the nail contains lymph, blood vessels, and nerves that create new nail cells?
What part of the nail contains lymph, blood vessels, and nerves that create new nail cells?
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Study Notes
Nail Diseases and Conditions
- Onychatrophia refers to the atrophy or loss of the nail.
- Tinea unguium, also known as onychomycosis, is a contagious fungal infection affecting the nails.
- Onychorrhexis indicates nails that are brittle and prone to splitting.
- Onychoschiza is characterized by splitting or peeling of the nail plate, especially at the free edge.
- Nail psoriasis manifests as shallow or deep holes in the nail surface.
- Onychomadesis occurs when the matrix stops producing nail plate cells, leading to a cessation of nail growth.
- Pyogenic granuloma presents as a small, round lesion on the hand, foot, or nail bed.
- Discolored nails typically result from staining of the nail plate.
Nail Structure and Growth
- Keratinization is the process whereby old nail cells are pushed forward by newly produced cells, hardening as they grow.
- The nail matrix is crucial as it determines the nail's thickness and generates new nail cells.
- The lunula is the half-moon shape visible at the base of the nail.
- Nail grooves assist in guiding the nail as it grows, ensuring proper alignment.
- The onychodermal band is a glistening area where the nail plate meets the hyponychium.
- The nail bed serves as the supportive layer for the nail plate.
- The cuticle is the non-living tissue that attaches to the nail plate, providing protection.
Nail Maintenance and Health
- Brittle nails may result from overuse of nail solvents, which can weaken the nail structure.
- A fluid-filled sac near the finger joint is known as a myxoid cyst.
- The proximal nail fold protects the delicate nail matrix from infections and injuries.
- A green or yellow discoloration under the nail may indicate a bacterial infection.
- If a nail is lost due to disease or infection, the regrown nail often appears distorted.
Other Key Terms
- Onychosis refers to any disease or disorder affecting the nails.
- Etiology is the study of the cause of a disease, disorder, or condition related to nails.
- Onychophagy describes the habit of biting nails.
- Onychology is the study of nail structure and growth.
- Lateral nail folds are also known as perionychium, referring to the skin folds surrounding the nail.
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Description
Test your knowledge on important nail theory terms and definitions with these flashcards. Learn about conditions like onychatrophia and onychorrhexis as well as terms related to nail health. Perfect for nail technicians and students in cosmetology.
