動どう脈みゃく管かんどうみゃくかんMeanings1nounarterial duct; ductus arteriosusanatomy›Anatomical term for a fetal blood vessel connecting the pulmonary artery to the aorta; normally closes after birth.動どう脈みゃく管かんは出しゅっ生しょう後ごすぐに閉へい鎖