ductus arteriosus

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Related to Ductus arteriosum: patent ductus arteriosus, foramen ovale, fetal circulation, ductus venosus

ductus arteriosus

[′dək·təs ‚är·tīr·ē′ō·səs]
(embryology)
Blood shunt between the pulmonary artery and the aorta of the mammalian embryo.