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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.
What are ridges in fingernails? “Ridges in the fingernails are vertical or horizontal depressions on the nail plate,” says Angela Kim, D.O. , a board-certified dermatologist practicing in Yuba ...
12. Consider taking biotin supplements. While biotin supplements haven’t been proven to aid in hair and nail growth, there are anecdotal reports that they may help to strengthen the nail plate ...
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 ...
Nail clubbing - nails that curve down around the fingertips with nailbeds that bulge is associated with oxygen deprivation and lung, heart, or liver disease. Koilonychia - spooning, or nails that grow upwards. Associated with iron-deficiency anaemia or vitamin B 12 deficiency. [citation needed] Pitting of the nails is associated with psoriasis.
Are your fingernails yellow, brown, black, or another color? Doctors explain the different causes of nail discoloration, and what to do in each case.
Ridges in your fingernails might alarm you, but it's not always a cause for concern. Here's what the ridges mean and how to treat them, according to experts.
Melanonychia is a black or brown pigmentation of a nail, and may be present as a normal finding on many digits in Afro-Caribbeans, as a result of trauma, systemic disease, or medications, or as a postinflammatory event from such localized events as lichen planus or fixed drug eruption. [1]: 790 [2]: 665