ductus arteriosis
[ duhk-tuh s ahr-teer-ee-oh-sis ]
/ ˈdʌk təs ɑrˌtɪər iˈoʊ sɪs /
noun Anatomy.
a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
Nearby words
ductless, ductless gland, ductor, ductule, ductus, ductus arteriosis, ductus venosus, ductwork, dud, duddy, dude
Origin of ductus arteriosis
1805–15; < New Latin: literally, arterial channel
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019