mediastinal branches of thoracic aorta

me·di·as·ti·nal branch·es of tho·rac·ic a·or·ta

numerous small arteries supplying the pleura and lymph nodes of the posterior mediastinum.
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mediastinal arteries

Small branches of the thoracic aorta that supply nerves, pleura, lymph nodes and other tissue in the posterior mediastinum.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.