noun
- the congenital absence or abnormal closure of a normal body opening or tubular structure
Usage: medical term; often used in anatomy and pediatrics
Examples
- Biliary atresia is a serious liver condition that affects newborns.
- The surgeon diagnosed esophageal atresia, which prevented normal swallowing.
- Atresia of the small intestine requires immediate surgical intervention.
- Pulmonary atresia is a rare congenital heart defect.
- The patient's atresia was detected during prenatal screening.