Platonychia is characterized by an abnormally flat and broad nail, and may be seen as part of an autosomal-dominant condition in which multiple nail abnormalities are present in many members of a large family. Seen in
iron deficiency
Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key ...
condition.
[James, William; Berger, Timothy; Elston, Dirk (2005). ''Andrews' Diseases of the Skin: Clinical Dermatology'', p. 786. (10th ed.). Saunders. .]
See also
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Nail anatomy
A nail is a claw-like plate found at the tip of the Finger, fingers and Toe, toes on most primates. Nails correspond to the claws found in other animals. Fingernails and toenails are made of a tough protective protein called alpha-keratin, which i ...
References
{{skin-appendage-stub
Conditions of the skin appendages