Medical Dictionary

internal thoracic artery

noun

Medical Definition of INTERNAL THORACIC ARTERY

:  a branch of the subclavian artery of each side that runs down along the anterior wall of the thorax and rests against the costal cartilages—called also internal mammary artery; compare thoracic artery

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears