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ductus arteriosus

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

Definition of ductus arteriosus

  1. :  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


Medical Dictionary

ductus arteriosus

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noun ductus ar·te·ri·o·sus \-är-ˌtir-ē-ˈō-səs\

Medical Definition of ductus arteriosus

  1. :  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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