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What causes ridges on fingernails. Ridges on fingernails can be caused by a number of things, and in most cases they are benign and nothing to worry about.
Causes of horizontal ridges in nails. Horizontal riding (also called Beau's lines) is usually caused by things other than aging, most commonly damage to the nail matrix. “If you are looking at ...
While Beau's lines are actual ridges and indentations in the nail plate, Muehrcke lines are areas of hypopigmentation without palpable ridges; they affect the underlying nail bed, and not the nail itself. Beau's lines should also be distinguished from Mees' lines of the fingernails, which are areas of discoloration in the nail plate.
When the condition occurs on all the twenty nails of the fingers and toes, it is known as twenty-nail dystrophy, most evident in childhood, [4] favoring males. [2] [5] Trachyonychia causes the nails to become opalescent, thin, dull, fragile, and finely longitudinally ridged, and, as a result, distally notched. [6]
In reality, your nails can give you a glimpse into your overall health.
Muehrcke's lines were described by American physician Robert C. Muehrcke (1921–2003) in 1956. In a study published in BMJ, he examined patients with known chronic hypoalbuminemia and healthy volunteers, finding that the appearance of multiple transverse white lines was a highly specific marker for low serum albumin (no subject with the sign had SA over 2.2 g/dL), was associated with severity ...