Atresia is a condition in which a body orifice or passage in the body is abnormally closed or absent. Examples of atresia include biliary atresia.

In ovarian follicle atresia, atresia refers to the degeneration and subsequent resorption of one or more immature ovarian follicles.

Other forms include

• Esophageal atresia
• Choanal atresia
• Anorectal atresia
• Pulmonary atresia
• Jejunal atresia
• Aural atresia (see Microtia)

External link

• Definitions of Atresia

Diseases

Atresie | Atresia | Atrésie | Atresie