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

Examples of ductus arteriosus in a Sentence

Recent Examples on the Web

The Ghandour family acknowledged that Layla suffered from patent ductus arteriosus, a congenital heart disease commonly described as a hole in the heart. Declan Walsh, New York Times, "A Child of Gaza Dies. A Symbol Is Born. The Arguing Begins.," 16 May 2018 Leah has a heart defect called patent ductus arteriosus or PDA. Erika Edwards, NBC News, "U.S. Gets a ‘C’ for its High Preterm Birth Rate," 1 Nov. 2017 All four children were born with patent ductus arteriosus (PDA), or a hole in the heart. Sofia Anjuman Ali, Washington Post, "For ‘micro-preemie’ quadruplets, reaching kindergarten is a major achievement," 24 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ductus arteriosus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ductus arteriosus

1811, in the meaning defined above

History and Etymology for ductus arteriosus

New Latin, literally, arterial duct

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Dictionary Entries near ductus arteriosus

ductor blade

duct tape

ductule

ductus arteriosus

ductwork

Ducula

dud

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The first known use of ductus arteriosus was in 1811

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More Definitions for ductus arteriosus

ductus arteriosus

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

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

More from Merriam-Webster on ductus arteriosus

Britannica.com: Encyclopedia article about ductus arteriosus

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