intercostal artery

noun

Medical Definition of intercostal artery

: any of the arteries supplying or lying in the intercostal spaces:
a : any of the arteries branching in front directly from the internal mammary artery to supply the first five or six intercostal spaces or from its branch comprising the musculophrenic artery to supply the lower intercostal spaces

called also anterior intercostal artery

b : any of the arteries that branch from the costocervical trunk of the subclavian artery to supply the first or first two intercostal spaces or of the nine or 10 arteries that branch from the aorta to supply the lower intercostal spaces

called also posterior intercostal artery

Learn More About intercostal artery

Dictionary Entries Near intercostal artery

intercostal

intercostal artery

intercostal muscle

See More Nearby Entries 

Cite this Entry

“Intercostal artery.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/intercostal%20artery. Accessed 21 Sep. 2021.

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