单词	ductus arteriosus
释义	ductus arteriosus noun duc·​tus ar·​te·​ri·​o·​sus ˈdək-təs-är-ˌtir-ē-ˈō-səs  : 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 Example Sentences Recent Examples on the Web Rarely, a murmur can be heard through a structure that should no longer be open, such as a patent ductus arteriosus -- necessary in fetal life to allow oxygenated blood from the placenta to flow into the developing fetal body. Dr. Keith Roach, oregonlive, 13 Aug. 2021 Doctors there eventually diagnosed her with patent ductus arteriosus, a heart abnormality that, at the time, generally led to an early death. BostonGlobe.com, 28 Sep. 2019 Over the course of two and a half hours, Gross successfully tied off the child’s patent ductus arteriosus — a persistent opening between the two major blood vessels leading from the heart — allowing blood to flow normally. BostonGlobe.com, 28 Sep. 2019 Kevin is a 10-week-old kitten who has been diagnosed with patent ductus arteriosus, the Massachusetts Society for the Prevention of Cruelty to Animals said in a statement. BostonGlobe.com, 17 Sep. 2019 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, 16 May 2018 Leah has a heart defect called patent ductus arteriosus or PDA. Erika Edwards, NBC News, 1 Nov. 2017 All four children were born with patent ductus arteriosus (PDA), or a hole in the heart. Sofia Anjuman Ali, Washington Post, 24 Sep. 2017 See More Word History Etymology New Latin, literally, arterial duct First Known Use 1811, in the meaning defined above Medical Definition ductus arteriosus noun ductus ar·​te·​ri·​o·​sus -är-ˌtir-ē-ˈō-səs  : 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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