Dictionary

ductus arteriosus

noun duc·tus ar·te·ri·o·sus \ˈdək-təs-är-ˌtir-ē-ˈō-səs\

Definition of DUCTUS ARTERIOSUS

:  a short broad vessel in the fetus that connects the pulmonary artery with the aorta and conducts most of the blood directly from the right ventricle to the aorta bypassing the lungs

Origin of DUCTUS ARTERIOSUS

New Latin, literally, arterial duct
First Known Use: 1811

ductus arteriosus

noun ductus ar·te·ri·o·sus \-är-ˌtir-ē-ˈō-səs\   (Medical Dictionary)

Medical Definition of DUCTUS ARTERIOSUS

:  a short broad vessel in the fetus that connects the pulmonary artery with the aorta and conducts most of the blood directly from the right ventricle to the aorta bypassing the lungs

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