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Dermatophagia. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Ectrodactyly, split hand, or cleft hand [1] (derived from Greek ektroma "miscarriage" and daktylos "finger") [2] involves the deficiency or absence of one or more central digits of the hand or foot and is also known as split hand/split foot malformation (SHFM). [3] The hands and feet of people with ectrodactyly (ectrodactyls) are often ...
Apert syndrome. Apert syndrome is a form of acrocephalosyndactyly, a congenital disorder characterized by malformations of the skull, face, hands and feet. It is classified as a branchial arch syndrome, affecting the first branchial (or pharyngeal) arch, the precursor of the maxilla and mandible. Disturbances in the development of the branchial ...
Arachnodactyly. Arachnodactyly (" spider fingers ") is a medical condition that is characterized by fingers and toes that are abnormally long and slender, in comparison to the palm of the hand and arch of the foot. In some cases, the thumbs of an individual with the condition are pulled inwards towards the palm. This condition is present at birth.
Greig cephalopolysyndactyly syndrome is a disorder that affects development of the limbs, head, and face. The features of this syndrome are highly variable, ranging from very mild to severe. People with this condition typically have one or more extra fingers or toes ( polydactyly) or an abnormally wide thumb or big toe ( hallux ).
Saethre–Chotzen syndrome ( SCS ), also known as acrocephalosyndactyly type III, is a rare congenital disorder associated with craniosynostosis (premature closure of one or more of the sutures between the bones of the skull ). This affects the shape of the head and face, resulting in a cone-shaped head and an asymmetrical face.
Polydactyly. Polydactyly or polydactylism (from Greek πολύς (polys) 'many', and δάκτυλος (daktylos) 'finger'), [1] also known as hyperdactyly, is an anomaly in humans and non-human animals resulting in supernumerary fingers and/or toes. [2] Polydactyly is the opposite of oligodactyly (fewer fingers or toes).
Oligodactyly. Oligodactyly. Oligodactyly as a result of ectrodactyly on the feet of a one-year-old child. Specialty. Medical genetics. Oligodactyly (from Ancient Greek oligos 'few' and δάκτυλος daktylos 'finger') is the presence of fewer than five fingers or toes on a hand or foot. [1] [2]