Hook nail is a bowing of the
nail bed due to a lack of support from the short bony phalanx (fingertip).
[Freedberg, et al. (2003). ''Fitzpatrick's Dermatology in General Medicine''. (6th ed.). McGraw-Hill. .]
See also
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Half and half nail
Half and half nails (also known as "Lindsay's nails") show the proximal portion of the nail white and the distal half red, pink, or brown, with a sharp line of demarcation between the two halves.James, William; Berger, Timothy; Elston, Dirk (2005) ...
s
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List of cutaneous conditions
Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier against t ...
References
Conditions of the skin appendages
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