ductus arteriosus

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Noun ductus arteriosus has 1 sense

ductus arteriosus - a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
--₁ is a kind of blood vessel
--₁ is a part of fetus, foetus
--₁ has particulars: patent ductus arteriosus

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