dorsal artery of thumb
dorsal artery of thumbAn obsolete term that formerly dignified either:
(1) An occasional dorsal digital branch of the radial artery that supplies the posterior portion of the metacarpal and proximal phalanges of the thumb; or
(2) A lateral terminal branch of the first dorsal metacarpal artery.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.