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ductus arteriosus

DEFINITIONS OF: ductus arteriosus

1

n a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth

Types:
patent ductus arteriosus
a ductus arteriosus that failed to close at birth; may require surgical correction
Type of:
blood vessel
a vessel in which blood circulates
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