ligamentum arteriosum
noun
ligamentum ar·te·rio·sum
-är-ˌtir-ē-ˈō-səm 
: a cord of tissue that connects the pulmonary trunk and the aorta and that is the vestige of the ductus arteriosus
Cite this Entry
“Ligamentum arteriosum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ligamentum%20arteriosum. Accessed 30 Oct. 2025.
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