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Beau's lines are deep grooved lines that run from side to side on the fingernail or the toenail. [1] They may look like indentations or ridges in the nail plate. [2]: 657 This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described it in 1846.
At present, the specific cause of shell nail syndrome is unknown. American doctors Chalmers E. Cornelius and Walter B. Shelley first characterized the morphogenesis of the condition in a 1967 Archives of Dermatology publication, stating: "this disorder can be explained by the production of a curved nail by a normal nail matrix which grows out as a shell to thus form a roof over the atrophic ...
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 ...
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 ...
Onychorrhexis also known as brittle nails, is brittleness with breakage of fingernails or toenails. Paronychia is a bacterial or fungal infection where the nail and skin meet. Koilonychia is when the nail curves upwards (becomes spoon-shaped) due to an iron deficiency. The normal process of change is: brittle nails, straight nails, spoon-shaped ...
Chevron nail, also known as a herringbone nail, is a rare transient fingernail ridge pattern seen in children, a ridge arising from the proximal nailfold and converging in a V-shaped pattern towards the midpoint distally. [1]: 786 The nail growth pattern has no known association with medical problems and tends to resolve by early adulthood. [2]
Photo: Getty 1. The hard-to-clean area underneath your nail may cause your nails to be extra sensitive, especially if an MMA-based acrylic (Methyl Methacrylate) is used. Though they've been banned ...
When the distal phalanges (bones nearest the fingertips) of corresponding fingers of opposite hands are directly opposed (place fingernails of same finger on opposite hands against each other, nail to nail), a small diamond-shaped "window" is normally apparent between the nailbeds. If this window is obliterated, the test is positive and ...