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Dictionary

  Definition of ductus arteriosus
  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
Hyponyms: patent ductus arteriosus

 

Part Meronyms: fetus, foetus

 

 
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congee means a Chinese rice gruel eaten for breakfast; perform a ceremonious bow; depart after obtaining formal permission; "He has congeed with the King"; ... more
 
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