large + white/yellow
Whitish / white is the normal colour in the nail's free edge.
The free edge's shape is an indirect result of the shape of the nail moon (= nail matrix).
When the distal nail edge is lifted (= a painless seperation from the nail bed usually), the white zone of the free edge becomes larger and the colour turns into yellow.
Causes are: trauma, water, nail bed disease, medical problems (e.g. psoriasis, yellow nail syndrome).
Medical vocabulary: onycholysis
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THE NAIL UNIT
The eight basic components of the nail unit include: 1 - proximal nail fold;
2 - cuticle; 3 - lunula; 4 - nail plate;
5 - lateral nail folds; 6 - nail bed;
7 - hyponychium; 8 - free edge.
* NOTICE: The HandResearch Nail Tutor Tool
is still in development
- currently this tool discriminates 57 fingernail disorders in the nails.
The NAIL TUTOR tool is an aspect of Medical Hand Analysis
& Multi-Perspective Hand Reading
. The purpose of this tool is to help you identify the nature of your fingernail disorder. The section fingernail disorders
presents a more comprehensive overview of the most common fingernail abnormalities.
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