Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Subclavian artery branches and anastomoses (2)

When there is steno-occlusive disease of the innominate (brachiocephalic) artery or the proximal subclavian artery, the vertebral artery usually serves as the dominant collateral supply to the arm, but various other collaterals are available as necessary. (Contributed by Dr. Douglas Lanska. Source: Morris H. Human Anatomy: A Complete Systematic Treatise by Various Authors: Including a Special Section on Surgical and Topographical Anatomy. Philadelphia: P. Blakiston, So & Co., 1893.)