pericardiacophrenic artery

[pĕr′ĭ-kär-dī′ə-kō-frĕnĭk]
n.
  1. An artery with its origin in the internal thoracic artery, with distribution to the pericardium, diaphragm, and pleura; and with anastomoses to phrenic arteries and branches of the internal thoracic artery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.