English noun: ductus arteriosus | |||
1. | ductus arteriosus (body) a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth | ||
Broader (hypernym) | blood vessel | ||
Narrower (hyponym) | patent ductus arteriosus | ||
Part meronym | fetus, foetus | ||