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Achondroplasia

Abstract

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Synonyms of Achondroplasia

  • ACH
  • Achondroplastic Dwarfism

Disorder Subdivisions

  • No subdivisions found.

General Discussion

Achondroplasia is a rare genetic disorder characterized by an unusually large head (macrocephaly) with a prominent forehead (frontal bossing) and flat (depressed) nasal bridge; short upper arms and legs (rhizomelic dwarfism), unusually prominent abdomen and buttocks; and short hands with fingers that assume a "trident" or three-pronged position during extension. An autosomal dominant genetic trait, achondroplasia occurs as a result of a fresh (new) spontaneous change (mutation) in genetic material in about 90 percent of cases. In achondroplasia, affected individuals have impaired ability to form bone from cartilage (endochondral bone formation).

Organizations related to Achondroplasia

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