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Showing results for ductus arteriosis. Search instead for ductus-arteriosus.

ductus arteriosis

American  
[duhk-tuhs ahr-teer-ee-oh-sis] / ˈdʌk təs ɑrˌtɪər iˈoʊ sɪs /

noun

Anatomy.
  1. a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.


Etymology

Origin of ductus arteriosis

1805–15; < New Latin: literally, arterial channel

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