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Body Cavities
| Question | Answer |
|---|---|
| POSTERIOR CAVITIES | Cranial Cavity (houses brain); Vertebral Canal (contains spinal cord) |
| VENTRAL CAVITIES | Thoracic Cavity and Abdominopelvic Cavity |
| THORACIC CAVITY | Chest cavity bordered anteriorly and laterally by chest wall and inferiorly by diaphragm |
| THORACIC CAVITY PARTS | Mediastinum; Pericardial; Pleural |
| MEDIASTINUM (THORACIC) | Contains the pericardial cavity, thymus, trachea, esophagus, major blood vessels |
| PERICARDIAL (THORACIC) | Contains the heart |
| PLEURAL (THORACIC) | Contains the lungs |
| ABDOMINOPELVIC CAVITY PARTS | Abdominal and Pelvic |
| ABDOMINAL (ABDOMINOPELVIC) | Bordered superiorly by the diaphragm and inferiorly by a horizontal plane between the superior ridges of the hip bones. Associated with the abdominal viscera incl stomach, spleen, liver, pancreas, small intestine, most of large intestine, kidneys, ureters |
| PELVIC (ABDOMINOPELVIC) | Region located between the hip bones and interior to a horizontal plane between the superior ridges of the hip bones. Assoc with the pelvic viscera, incl urinary bladder and uretha, internal reprod organs, some of the lg intestine |
| CAVITY MEMBRANES | Thoracic and abdominopelvic cavities are lined by a thin SEROUS membrane |
| SEROUS MEMBRANE's two continuous parts (layers): | Parietal (wall) layer and Visceral (organ) layer |
| PARIETAL LAYER | Lines the internal surface of the body wall |
| VISCERAL LAYER | Covers the external surface of organs in the cavity |
| SEROUS FLUID | Fluid produced by the serous membrane that serves to lubricate the organs and protect against friction |
| PERICARDIAL CAVITY | The space in between the Visceral Pericardium and the Parietal Pericardium. Contains serous fluid |
| VISCERAL PERICARDIUM | That part that is in contact with the heart |
| PARIETAL PERICARDIUM (EPICARDIUM) | That part not in contact with the heart |
| PERITONEUM | The serous membrane of the the Abdominopelvic Cavities |
| VISCERAL PERITONEUM | In contact with the outer surface of the organs in these two cavities |
| PARIETAL PERITONEUM | Lining the internal walls of these two cavities and NOT directly in contact with the organs |
| 9 REGIONS OF THE ABDOMINOPELVIC CAVITY | Right Hypochondriac, Right Lumbar, Right Iliac, Epigastric, Umbilical, Hypogastric, Left Hypochondriac, Lumbar, Left Iliac |
| 4 ABDOMINOPELVIC QUADRANTS | Right Upper Quadrant (RUQ), Right Lower Quadrant (RLQ), Left Upper Quadrant (LUQ), Right Lower Quadrant (RLQ) |
| PERICARDIUM | 2 parts: Visceral Pericardium and the Parietal Pericardium |
| VISCERAL PERICARDIUM | Covers the heart |
| PARIETAL PERICARDIUM (EPICARDIUM) | Lines the Pericardial Wall |
| VISCERAL PLEURA | Covers the Lungs |
| PARIETAL PLEURA | Lines the Pleura Cavity Wall |
| PLEURAL CAVITY | The space in between the Visceral Pleura and the Parietal Pleura. Secretes pleural fluid. |
| PERITONEUM | The serous membrane of the Abdominopelvic Cavities |
| VISCERAL PERITONEUM | Is in contact with the outer surface of the organs |
| PARIETAL PERITONEUM | Lining the internal walls of these two cavities and not directly in contact with the organs |
Created by:
Tlmk
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