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atresia (atretic, atresic, imperforate)
Congenital absence of a normal opening or a normally patent lumen.
Specific
aural atresia
biliary atresia
choanal atresia
esophageal atresia
intestinal atresia
pulmonary atresia
vaginal atresia
General
congenital anomaly (birth defect)
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.