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Terminology of Hand Differences

Medical Description of Hand Differences

There are a number of reputable medical websites that offer information on Hand Difference. Some are written for parents and others are for clinicians.

Adactyly: Absence of all fingers and thumb

Adactyly

Amniotic Band Syndrome (ABS) or Constriction Ring Syndrome: Constriction of fingers or thumb by amniotic band(s)
Brachydactyly: Short finger or thumb
Poland Syndrome: Underdevelopment of the hand and chest muscles
Symphalangism: Stiff fingers or thumb from fusion of bones