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ductus arteriosis

 - 1 dictionary result

duc⋅tus ar⋅te⋅ri⋅o⋅sis

  [duhk-tuhs ahr-teer-ee-oh-sis]
Use ductus arteriosis in a Sentence
–noun Anatomy.
a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
Origin:
1805–15; < NL: lit., arterial channel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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