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Dysmelia (from Gr. - dys, "bad" + | mél|os, "limb" + Eng. suff. -ia) is a congenital disorder of a limb resulting from a disturbance in embryonic development.
Syndactyly of the second and third toes
Dysmelia can refer to
- missing (aplasia) limbs: amelia, oligodactyly, congenital amputation e.g. Tibial or Radial aplasia
- malformation of limbs: shortening (micromelia, rhizomelia or mesomelia), ectrodactyly, phocomelia, meromelia, syndactyly, brachydactyly, club foot
- too many limbs: polymelia, polydactyly, polysyndactyly
- others: Tetraamelia, hemimelia, Symbrachydactyly
Birth defects involving limbs occur in 1 per 1000.
Dysmelia can be caused by
Syndromes with dysmelia
- ^ (2006) Dysmelia (Limb Deficiency/Reduction). pp 312-322. In: Atlas of Genetic Diagnosis and Counseling. Humana Press.