truncus arteriosus

noun

truncus ar·​te·​ri·​o·​sus -är-ˌtir-ē-ˈō-səs How to pronounce truncus arteriosus (audio)
: the part of the embryonic arterial system which develops into the ascending aorta and the pulmonary trunk

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Cite this Entry

“Truncus arteriosus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/truncus%20arteriosus. Accessed 23 Apr. 2024.

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