With that in mind, we look for the RSX to start at about $23,000 and the Type-S at about $24,500. If those prices prove to be accurate, they'll propel the RSX to the top of its class, not necessarily an enviable position.
superior thoracic aperture. Type:Term. Definitions. 1. the upper boundary of the bony thorax composed of the first thoracic vertebra and the upper margins of the first ribs and manubrium of the sternum. Note: clinicians refer to the superior thoracic aperture as the âthoracic outlet.â as in âthoracic outlet syndrome.â.
The thoracic cavity is the more superior subdivision of the anterior cavity, and it is enclosed by the rib cage. The thoracic cavity contains the lungs and the heart, which is located in the mediastinum.The diaphragm forms the floor of the thoracic cavity and separates it from the more inferior abdominopelvic cavity. The superior mediastinum is a wedge-shaped cavity located between the superior regions of the two thoracic cavities. 2  The pericardial cavity within the mediastinum is located at the center of the chest below the superior mediastinum.