| Flap 1 | Flap 2 |
| Mediastinal | Solid structure of Thoracic from sternum to vertebrae. Holds everything in the thorax but the lungs. |
| Lines the pulmonary cavities | Parietal pleura |
| Visceral pleura | invests the lungs, including the surfaces within the horizontal & oblique fissures. It cannot be dissected from the lungs |
| 3 types of ribs | True, False, Floating |
| Function of Thoracic wall | Protect the contents & to provide the mechanical function of breathing. |
| Covered internally by parietal thoracic fascia. | Thoracic wall |
| Manubrium, Body, Xiphoid Process | 3 parts of the sternum |
| Veins of the Thoracic | Azygos Veins |
| 4 parts of the parietal pleura | Costal, Mediastinal, Diaphragmatic, Cervical |
| Located in the subcutaneous tissue of the anterior thoracic wall | Mammary glands |
