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Body Cavities
1.5--Body Cavities
| Term | Definition |
|---|---|
| Body Cavities | Spaces wihin the body that help protect, separate and support internal organs. |
| Cranial Cavity | Contains the brain, formed by cranial bones |
| Vertebral Cavity | Formed by vertebral column, contains spinal cord and spinal nerves |
| Thoracic Cavity | Chest cavity; contains pleural and pericardial cavities + mediastinum |
| Pleural Cavity | Surrounds a lung. |
| Pleura | Serous membrane of pleural cavity |
| Pericardial Cavity | Surrounds heart |
| Pericardium | Serous membrane of pericardial cavity |
| Mediastinum | Central portion of thoracic caviy; extend from sternum to vertebral column; contains heart, thymus, esophagus, trachea, and large blood vessels |
| Abdominopelvic Cavity | Includes abdomnial and pelvic cavities |
| Abdomnial Cavity | Stomach, spleen, liver, gallbladder, small intestine, most of large intestine. |
| Peritoneum | Serous membrane of abdomnial cavity |
| Pelvic Cavity | Urinary bladder, large intestine, and reproductive. |
| Parietal Layer (Membrane) | Lines wall of cavity (ex. parietal pleura) |
| Visceral Layer (Membrane) | Lines wall of organ (ex. visceral pericardium) |