The mass of tissues and organs separating the sternum in front and the vertebral column behind, containing the heart and its large vessels, trachea, esophagus, thymus, lymph nodes, and other structures and tissues
A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity
An area in the chest that contains the heart, the esophagus, many large blood and lymph vessels, and other structures It is located between the lungs behind the breast bone and extends back to the spine
(mee-dee-a-STYE-num): The area between the lungs The organs in this area include the heart and its large blood vessels, the trachea, the esophagus, the bronchi, and lymph nodes
the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
The space included between these folds of the pleura, called the mediastinal space, contains the heart and gives passage to the esophagus and great blood vessels