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ductus arteriosus is a noun meaning "a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth". It carries one recorded sense.
a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
Definitions, synonyms and semantic relations for ductus arteriosus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.