phrenic artery

n.
  1. An artery having its origin as the first paired branch from the abdominal aorta inferior to the diaphragm and with distribution to the diaphragm; inferior phrenic artery.
  2. Either of a pair of small arteries given off from the thoracic aorta just superior to the diaphragm and with distribution to the diaphragm; superior phrenic artery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.