Nanism

The nanism is a hereditary condition (see Achondroplasie) or accidental which causes a deceleration of the normal growth of a living being. At the plants it can be caused by an high-altitude.

At the man the nanism gave form to the Bouffon S which play of their characteristic to divert. It is also at the origin of mythological characters, for example the Nibelungen in the saga of Siegfried. See the dwarf like fantastic creature.

There exist also forms of nanism not deforming: most famous of these dwarves is Tom Pouce at the 19th century, presented to the Cirque Barnum. In the language running, one also nominates under the name of “dwarves” the persons of small size. Thus one indicates the Pygmy S in French-speaking central Africa. At the man the nanism is a pejorative term which does not have anything medical nor precis nominating the persons measuring less than one meter forty five for the men and less than one meter forty for the women. There exist several forms of " nanismes"

" nanismes" disproportionate

It is spread and they are especially the result of disorders of the osseous and cartilagineuse growth.

  • the Achondroplasie

  • the Hypochondroplasie
  • the multiple Dysplasie épiphysaire (or polyépiphysaire)
  • the Nanisme diastrophic
  • the Disease of Morquio
  • the late Dysplasie spondyloépiphysaire
  • the congenital Dysplasie spondyloépiphysaire
  • the Disease of Kniest
  • the Pseudo achondroplasy
  • the imperfect Osteogenesis (or disease of the “bones of glass “)
  • the Scoliosis

" nanismes" proportioned

  • constitutional small size

  • intra-uterine delay of growth
  • the deficit in growth hormone
  • the Syndrome of Turner

  • the dominant Chondrodysplasiemétaphysaire of Schmid
  • the recessive Chondro-dysplasie métaphysaire autosomic
  • the Dysplasie Acromicrique
  • the Dysplasie Spondylo Métaphysaire
  • the Opsismodysplasie
  • the hereditary Ostéodystrophie of Albright or pseudo-hypo parathyroidie
  • the Syndrome of Seckel
  • the Syndrome of Silver Russel

Some famous people of small size

See too

External bond

  • French Association of the people of small size

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