ductus arteriosis
[ duhk-tuhs 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
ductor, ducts of Rivinus, duct tape, ductule, ductus, ductus arteriosis, ductus arteriosus, ductus venosus, ductwork, dud, duddy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021