Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

intercostal artery

noun

Medical Definition of intercostal artery

  1. :  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 arteryb:  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




Seen and Heard

What made you want to look up intercostal artery? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to proceed clumsily or ineffectually

Get Word of the Day daily email!