principal artery of thumb

principal artery of thumb definition - medical

prin·ci·pal artery of thumb (prĭnˈsə-pəl)

noun
An artery with origin in the radial artery, with distribution to the palmar surface and sides of the thumb, and with anastomoses to the arteries on the dorsum of the thumb.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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