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definitions

highest intercostal vein

[hī′ĭst]
n.
  1. A vein that drains the first intercostal space into either the vertebral vein or the brachiocephalic vein.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.