ductus arteriosus

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Related to Botallo duct: ductus arteriosus, patent ductus arteriosus, tetralogy of Fallot, Aortic coarctation

ductus arteriosus

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