internal mammary artery
noun
variants
or internal thoracic artery
: a branch of the subclavian artery of each side that runs down along the anterior wall of the trunk and rests against the costal cartilages
Cite this Entry
“Internal mammary artery.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/internal%20mammary%20artery. Accessed 29 Nov. 2025.
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