mediastinal branches of thoracic aorta

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

[TA] numerous small arteries supplying the pleura and lymph nodes of the posterior mediastinum. Synonym(s): rami mediastinales aortae thoracicae [TA], posterior mediastinal arteries

mediastinal arteries

Small branches of the thoracic aorta that supply nerves, pleura, lymph nodes and other tissue in the posterior mediastinum.