Tricuspid atresia - a form of congenital heart disease whereby there is a complete absence of the tricuspid valve.
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Esophageal atresia - affects the alimentary tract causing the esophagus to end before connecting normally to the stomach.
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Pulmonary atresia - malformation of the pulmonary valve in which the valve orifice fails to develop.
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Choanal atresia - blockage of the back of the nasal passage, usually by abnormal bony or soft tissue.
Tricuspid atresia | Pulmonary atresia | Esophageal atresia | Choanal atresia |