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Atresia



Atresia is a condition in which a body orifice or passage in the body is abnormally closed or absent.

Additional recommended knowledge

Examples of atresia include:

  • Biliary atresia
  • Ovarian follicle atresia, atresia refers to the degeneration and subsequent resorption of one or more immature ovarian follicles.
  • Vaginal atresia - congenital occlusion of the vagina or subsequence adhesion (sticking together) of the walls of the vagina occluding it.
  • Esophageal atresia - affects the alimentary tract causing the esophagus to end before connecting normally to the stomach.
  • Choanal atresia - blockage of the back of the nasal passage, usually by abnormal bony or soft tissue.
  • Anorectal atresia - malformation of the opening between the rectum and anus.
  • Pulmonary atresia - malformation of the pulmonary valve in which the valve orifice fails to develop.
  • Aural atresia (see Microtia) - a congenital deformity of the pinna (outer ear).
  • Intestinal atresia - malformation of the intestine

References

http://www.medterms.com/script/main/art.asp?articlekey=2381

Aural Atresia Repair (Microtia) http://www.atresiarepair.com

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Atresia". A list of authors is available in Wikipedia.
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