phrenic artery


n.

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.
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.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.