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The hyponychium (IPA: / ˌ h aɪ p oʊ ˈ n ɪ k i ə m /) [1] [2] is the area of epithelium, particularly the thickened portion, underlying the free edge of the nail plate on the nail. Its proximal border is immediately distal to distal limit of nail bed—a.k.a. the onychodermal band (the line along the interface of the nail bed and the nail ...
Guinness World Records began tracking record fingernail lengths in 1955, when a Chinese priest was listed as having fingernails 1 foot 10.75 inches (57.79 cm) long. The current record-holder for men, according to Guinness , is Shridhar Chillal from India who set the record in 1998 with a total of 20 feet 2.25 inches (615.32 cm) of nails on his ...
Onychoschizia, also known as nail splitting and brittle nails, is a splitting of the free-edged tip of the nail. [1] There is also often a longitudinal split in addition to the separation of keratin layers.
In human anatomy, the eponychium is the thickened layer of skin at the base of the fingernails and toenails. [1] It can also be called the medial or proximal nail fold. The eponychium differs from the cuticle; the eponychium comprises live skin cells whilst the cuticle is dead skin cells.
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 ...
The lunula (pl.: lunulae; from Latin 'little moon') is the crescent-shaped whitish area of the bed of a fingernail or toenail. In humans, it appears by week 14 [ 1 ] of gestation , and has a primary structural role in defining the free edge of the distal nail plate (the part of the nail that grows outward).
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(Top) 1 Signs and symptoms. 2 Causes. 3 ... Hook nail is caused by trauma to the hyponychium. [2] ... Text is available under the Creative Commons Attribution ...