The nail folds are the folds of skin that frame the nail plate on three sides: the proximal fold at the base and two lateral folds along the sides. The cuticle grows from the proximal fold onto the nail.
| Location | Around the nail plate of the fingers and toes |
|---|---|
| Parts |
|
| Nerve Supply | Digital nerves |
| Blood Supply | Digital arteries |
| Venous drainage |
|
| Lymphatic drainage |
|
Protect the nail matrix and edges of the nail and help guide nail growth.
Infection of the nail fold (paronychia) is the commonest hand infection. Ingrown toenails dig into the lateral folds. Enlarged, tortuous capillaries visible in the proximal fold are a clue to connective tissue diseases such as scleroderma.
Acute or chronic infection of the nail folds causing a red, painful swelling.
Nail edge growing into the lateral fold, causing pain and infection.
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