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

Medical Dictionary

arteriole

play
noun ar·te·ri·ole \är-ˈtir-ē-ˌōl\

Medical Definition of arteriole

  1. :  any of the small terminal twigs of an artery that ends in capillaries

arteriolar \-ˌtir-ē-ˈō-ˌlär, -lər\play adjective


Illustration of arteriole


Learn More about arteriole


Seen and Heard

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

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!