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- THE NAIL DISORDER INDEX -
The following presents an overview of the most common fingernail- & toenail disorders:
- NAIL ANATOMY BASICS -
The nail is a unique structure whose component parts are collectively called the 'nail unit'.
The 'nail unit' consists of [distal to proximal]:
1 - the free edge of the nail, 2 - the hyponchium, 3 - the onychodermal band,
4 - the nail bed, 5 - the lateral nail fold, 6 - the lunala, 7 - the cuticle, 8 - the nail matrix, and 9 - the proximal nail fold.

Nail disorders can occure on each single aspect of the nail unit.
And one should take notice that far most people have at least one or more (harmless) nail disorders - on one or more fingers.
However far most of the nail disorders mentioned above are usually not observed in the hands (nor the feet) of healthy people.
ADDITIONAL TIP:
Examining Fingernails in elderly patients
* The 'NAIL ENCYCLOPEDIA' is a branch of Medical Handanalysis.
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