ductus arteriosus

Noun
  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 (synset 105425521)
    is a type of: blood vessel - a vessel in which blood circulates
    subtypes: patent ductus arteriosus - a ductus arteriosus that failed to close at birth; may require surgical correction
    is a part of: fetus, foetus - an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal

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