The area in the chest between the lungs.
A cavity between two major portions of an organ, especially in reference to the area of the thoracic cavity containing all of the structures except the lungs.
The section of the chest between the lungs, where the heart, oesophagus and phrenic and vagus nerves are situated.
Space in the chest cavity between the lungs that contains the heart, aorta, esophagus, trachea, and thymus.
Middle body cavity, mid-chest, directly above the diaphragm.
The central body cavity between the lungs, occupying the area between the breastbone and the spine, down to the diaphragm. Within the mediastinum are the heart and the major vessels leading in and out of it, the trachea, the esophagus, thymus gland, lymph nodes and vessels, and the vagus and phrenic nerves.
The space in the thorax (chest cavity) between the two pleural sacs. The mediastinum contains the heart, aorta, trachea, esophagus, and thymus gland and is divided into anterior, middle, posterior, and superior regions.
The space in the chest which lies between the two lungs. It contains the heart and great vessels, the gullet, the lower part of the windpipe, the thoracic duct and the phrenic nerves, as well as numerous structures of less importance.
A septum or cavity between two principal portions of an organ.
The interstitial space nestled amidst the lungs, encompassed by the spinal column, sternum, and diaphragm.
The thin barrier between the lungs and other components inside the chest, which includes the heart, blood vessels, windpipe, esophagus, thymus gland, lymph nodes, lymphatic vessels, and nerves.
The area between the lungs, specifically between the pleural membrane sacs that encase the lungs, is divided into the anterior, middle, posterior, and superior sections, known as the mediastinum.