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A&P Body Cavities
| Question | Answer |
|---|---|
| Dorsal Body Cavity | Set of body cavities that include the cranial and vertebral cavities |
| Ventral Body Cavity | Set of body cavities that include the thoracic, abdominal, and pelvic cavities |
| Viscera | The internal organs in a cavity |
| Visceral Layer | Inner layer of a cavity's membrane, often making up the surface of an organ itself |
| Parietal Layer | Outer layer of a cavity's membrane |
| Cranial Cavity | Dorsal body cavity that houses the brain |
| Vertebral Cavity | Dorsal body cavity that encloses spinal cord |
| Meninges | Membrane that lines the dorsal body cavities |
| Diaphragm | Muscle that separates the thoracic and abdominal cavities |
| Mediastinum | Thick wall that divides the thoracic cavity, houses the heart and the great vessels, esophagus, trachea, bronchi, and the thymus |
| Pericardium | Two-layered membrane that surrounds the heart |
| Visceral Pericardium | Inner layer of the pericardium that forms the heart itself |
| Parietal Pericardium | Outer layer of the pericardium |
| Pericardial Cavity | Space in between the two pericardium layers |
| Pericardial fluid | Fluid in the pericardial cavity that lubricates the two layers of the pericardium |
| Pleura | Two-layered membrane that surrounds the lungs |
| Visceral Pleura | Inner layer of the pleura that forms the lungs themselves |
| Parietal Pleura | Outer layer of the pleura |
| Pleural cavity | Space in between the two pleura layers |
| Pleural Fluid | Fluid in the pleural cavity that lubricates the two layers of the pleura |
| Peritoneum | Two-layered membrane contained in the abdominopelvic cavity |
| Visceral Peritoneum | Inner layer of the peritoneum |
| Parietal Peritoneum | Outer layer of the peritoneum |
| Mesentery | Visceral peritoneum that anchors and suspends viscera |
| Serosa | Visceral peritoneum that enfolds and covers the surface of organs |