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Fingernails & Toenails: Facts & Information

  • Synopsis: Last Revised/Updated: 2015-03-10 - Information and facts on fingernails and toenails including nail fungus and nail color health indicators.
Human Nails

Fingernails and toenails are made of a tough protective protein called keratin. This protein is also found in the hooves and horns of different animals. The nail consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it.

Main Document

Information and facts on fingernails and toenails including nail fungus and nail color health indicators.

Fingernails and toenails are made of a tough protein called keratin and include:

Major illness can cause a deep transverse groove to form across the nails. A change in fingernail color, thinning, thickening, brittleness, splitting, grooves, Mees' lines and nail ridges, small white spots, receded lunula, clubbing (convex), flatness, spooning (concave) can indicate illness in other areas of the body, nutrient deficiencies, drug reaction or poisoning, or merely local injury.

Both Fingernails and toenails can also become thickened (onychogryposis), loosened (onycholysis), infected with fungus (onychomycosis) or degenerate (onychodystrophy)

Quick Facts: Human Nail

Statistics: Longest Fingernail Length

Latest Fingernails and Toenails Publications
1 - Color of Fingernails and Toenails Health Indicator Chart - Disabled World.
2 - Prevalence of Bunions Increases with Age in Women - Wiley-Blackwell.
3 - FDA Clearance of PinPointe FootLaser for Treatment of Nail Fungus - Dr. Mark E. Spier, DPM.
4 - Fingernails: Horizontal and Vertical Ridges, Nail Pitting & Shape - Disabled World.
5 - Brittle Nails - Causes and Treatment - Disabled World.
6 - Toenail Pain - Causes and Treatment - Scott Kilberg DPM.
7 - Ingrown Toenails: Causes, Symptoms and Treatment - Juliet Cohen.
8 - Nail Fungus Fingernails and Toenails - Disabled World.
Click Here for Full List - (8 Items)

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