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

  1. ductless,
  2. ductless gland,
  3. ductor,
  4. ductule,
  5. ductus,
  6. ductus venosus,
  7. ductwork,
  8. dud,
  9. duddy,
  10. 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