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ductus arteriosus
(redirected from Ductus arteriosum)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.ductus arteriosus - a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
fetus, foetus - an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
blood vessel - a vessel in which blood circulates
patent ductus arteriosus - a ductus arteriosus that failed to close at birth; may require surgical correction


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