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Fingernails & Toenails: Facts & Information

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

Definition: 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 & Toenails Health Indicator Chart
    The nail color of fingernails and toenails can reveal certain serious health conditions for instance white nails may be indicative of kidney or liver disorders or anemia.
  2. Prevalence of Bunions Increases with Age in Women
    Bunion deformity was found in 36% of the study population and occurred more frequently in women and older individuals.
  3. FDA Clearance of PinPointe FootLaser for Treatment of Nail Fungus
    Treatment of nail infection is difficult because the infection is under and inside of the nail.
  4. Fingernails: Horizontal & Vertical Ridges, Nail Pitting & Shape
    Information regarding fingernail condition including shape, nail color and pitting, spoon nails plus vertical and horizontal fingernail ridges.
  5. Brittle Nails - Causes and Treatment
    Brittle nails are often a result of aging but may be due to diseases and conditions there are several methods to deal with brittle and split nails.

Full List of Fingernails and Toenails Documents (8 Items)




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