descending aorta
noun
: the part of the aorta from the arch to its bifurcation into the two common iliac arteries that passes downward in the thoracic and abdominal cavities
Cite this Entry
“Descending aorta.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/descending%20aorta. Accessed 3 Nov. 2025.
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