thoracic outlet syndrome
thoracic outlet syndrome definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of several syndromes in which blood vessels or nerves are compressed, usually by an overlying muscle, as they pass from the neck region to the arm, causing pain, numbness, and weakness of the arm and hand.
thoracic outlet syndrome - Medical Definition
Compression of the brachial plexus and subclavian artery by attached muscles in the region of the first rib and the clavicle, characterized by pain in the arm, numbness in the fingers, and weakness in the hand muscles.