. "105418177"^^ . "105107737"@en-us . . . "0"^^ . . "05418177-n"^^ . "ductus arteriosus"^^ . . . "a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth"@en-us . . . . . "0"^^ . . . "ductus arteriosus"@en-us .