axillary artery

Medical Dictionary

axillary artery n.
A continuation of the subclavian artery in the armpit, becoming the brachial artery in the arm, with superior thoracic, thoracoacromial, lateral thoracic, subscapular, and posterior and superior circumflex humeral branches.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
axillary artery

noun
the part of the main artery of the arm that lies in the armpit and is continuous with the subclavian artery above and the brachial artery below 
WordNet® 3.0, © 2006 by Princeton University.
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