ductus arteriosus

English Thesaurus

1. a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth (noun.body)

hypernym	:	blood vessel,
definition	:	a vessel in which blood circulates (noun.body)

hyponym	:	patent ductus arteriosus,
definition	:	a ductus arteriosus that failed to close at birth; may require surgical correction (noun.body)

part meronym	:	fetus, foetus,
definition	:	an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal (noun.animal)

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