Nail pterygium (teh-RIJ-ee-um) is an abnormal condition that occurs when the skin is stretched by the nail plate. This disorder is usually caused by serious injury, such as burns, or an adverse skin reaction to chemical nail enhancement products (Figure 10–9).
What causes Nailitis?
Common causes of nail problems include injury, infection and skin diseases such as eczema and psoriasis. Some conditions need professional treatment from a doctor or a dermatologist. People with diabetes or compromised immune systems have a higher risk of fungal nail infections.
What is a band of skin around the nail plate?
The eponychium is a small band of living cells (epithelium) that extends from the posterior nail wall onto the base of the nail. The eponychium is the end of the proximal fold that folds back upon itself to shed an epidermal layer of skin onto the newly formed nail plate.
What is the growth of the nail plate affected by?
The matrix creates new skin cells, which pushes out the old, dead skin cells to make your nails. As a result, injuries to the nail bed or disorders that affect the matrix can affect your nail growth.
Who is most likely to develop paronychia?
People who have a habit of picking at the skin around the nail, or babies who suck thumbs and break the tender skin around the nail are quite likely to develop chronic paronychia. People who have diabetes are more prone to skin infections in general and tend to get paronychia frequently.
What causes nail thickening?
Toenails can thicken as a result of sudden or repeated trauma or injury. Mostly, this happens to people involved in sport or exercise, such as soccer players, runners, and dancers, but also to people with ill-fitting shoes. Often, thick nails due to injury are mistaken for fungal infections.
What is the main cause of deformity of the nail plate?
Nail deformities and dystrophies associated with systemic problems. (esophageal webs caused by severe, untreated iron deficiency), 50% of patients have koilonychia (concave, spoon-shaped nails). Yellow nail syndrome is a rare condition characterized by slow-growing, thickened, hypercurved, yellow nails.
What causes the Onychodermal band?
When the onychodermal band at the distal aspect of the nail unit is disrupted, onycholysis can occur. Trauma, frequent and prolonged exposure to water, and exposure to contact irritants are common precipitating factors. Onycholysis can also be caused by an allergic contact dermatitis from nail cosmetics.
What is the nail groove?
The indentation between the edges of the nail plate and the skin.
What is the cuticle of the nail?
The cuticle is a layer of clear skin located along the bottom edge of your finger or toe. This area is known as the nail bed. The cuticle function is to protect new nails from bacteria when they grow out from the nail root. The area around the cuticle is delicate.
What are the 5 stages of nail growth?
There are five stages of nail growth, they are:
- Cells divide in the Matrix. …
- New cells are pushed forward by constant cell reproduction.
- Cells undergo hardening, this is also known as Keratinisation.
- The growing nail is guided along the Nail Grooves and Side Walls.
- The Free Edge is formed away from the finger.
Feb 26, 2012
What is the function of the nail plate?
The purpose of the nail plate is to protect the living nail bed underneath. The lanula is the visible part of the matrix that resembles a half moon and should be treated with care as the cells have not yet fully keratinised. It is white in colour and opaque. The nail folds protect the nail matrix.
Is an overgrowth of cuticle which sticks to the surfaces of nail plate?
PTERYGIUM– It is an overgrowth of cuticle which sticks to the surfaces of nail plate.
How is a nail plate separation treated?
Treatment includes trimming away the separated nail, cleaning the nail bed, and applying a topical antibiotic. 4 If the infection is severe, an oral antibiotic may be prescribed.
Will onycholysis go away on its own?
Onycholysis can last for several months and will typically correct itself when the nail fully grows out. Until then, the nail will not reattach to the skin beneath it.
What are 2 common causes of onycholysis?
Contact irritants, trauma, and moisture are the most common causes of onycholysis, but other associations exist.
How are fingernails attached?
Quote from video on Youtube:The nail is made up of the nail plate the nail matrix from which the nail grows. And the nail bed. Which is skin beneath the nail plate.
What is nail mantle?
The mantle is the skin covering the matrix and base of the nail plate. Cuticle. The cuticle (also known as the eponychium) grows from the proximal nail bed and adheres to the nail plate. Together, the proximal nail fold and cuticle form a protective seal against any irritants that may disrupt the matrix underneath.[1]
What’s the skin under your nail called?
The hyponychium is the skin just under the free edge of your nail. It’s located just beyond the distal end of your nail bed, near your fingertip. As a barrier from germs and debris, the hyponychium stops external substances from getting under your nail.
Why is the skin around my nails splitting?
“Peeling skin around your nails can also be an allergic reaction to something you’ve touched or come in contact with,” says Dr. Schlessinger. “That could be anything – from fragrance in a hand soap used for washing dishes to a metal, such as nickel, on jewelry or clothing.”