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Anatomy Lab 1 Terms
Body Cavities and Associated Strucutres
| Term | Definition |
|---|---|
| Posterior (dorsal) Cavity contains: | Cranial cavity+ vertebral canal / spinal cavity |
| Cranial Cavity | Skull and brain |
| Vertebral Canal/Spinal Cavity | Spinal cord |
| Thoracic Cavity | hear, lungs |
| Visceral pleura | tissue layer directly lining lungs |
| Parietal pleura | tissue layer lining thoracic cavity around lungs |
| Pleural cavity | space between visceral and parietal pleura; filled with serous fluid |
| Mediastinum | Space between lungs and heart |
| Visceral pericardium | tissue layer directly lining heart |
| Parietal pericardium | layer surrounding heart cavity |
| Pericardial cavity | space between visceral and parietal pericardium; filled with serous fluid |
| Diaphragm | muscle that separates thoracic cavity from abdominal cavity |
| Abdominopelvic cavity | Abdomen |
| Visceral peritoneum | Tissue layer that directly covers most abdominal organs |
| Parietal peritoneum | Tissue layer that surrounds most abdominal organ cavities |
| Retroperitoneum | Organs behind parietal peritoneum (rectum, kidney, pancreas) |
| Oral/buccal cavity | mouth cavity |
| Nasal cavity | Nose cavity |
| Orbital cavity | eye cavity |
| Middle ear cavity | Where the auditory ossicles are |