ligamentum arteriosum

noun

ligamentum ar·​te·​rio·​sum -är-ˌtir-ē-ˈō-səm How to pronounce ligamentum arteriosum (audio)
: a cord of tissue that connects the pulmonary trunk and the aorta and that is the vestige of the ductus arteriosus

Dictionary Entries Near ligamentum arteriosum

Cite this Entry

“Ligamentum arteriosum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ligamentum%20arteriosum. Accessed 8 Feb. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY