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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) |