thoracic visceral node, a node in the three groups of lymph nodes connected to the part of the lymphatic system that serves certain structures within the thorax, such as the liver, sternum, thymus, pericardium, esophagus, trachea, lungs, diaphragm, and bronchi. Compare thoracic parietal node. Kinds include anterior mediastinal node, posterior mediastinal node, tracheobronchial node. See also lymph, lymphatic system, lymph node.
