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.
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Origin of ductus arteriosis
1805–15; < New Latin: literally, arterial channel
Words nearby ductus arteriosis
ductless, ductless gland, ductor, ductule, ductus, ductus arteriosis, ductus venosus, ductwork, dud, duddy, dude
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020