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Chapter 2 Med Terms
Medical Terminology-Body Cavities
| Term | Definition |
|---|---|
| Dorsal cavity | Has two parts-the cranial cavity and the spinal cavity. |
| cranial cavity | Located within the skull, protects the brain. |
| spinal cavity | Located within the spinal column, protects the spinal cord. |
| Ventral cavity | Has three parts-the thoracic cavity, the abdominal cavity and the pelvic cavity. |
| thoracic cavity | Also known as the chest cavity, protects the hear and the lungs. |
| abdominal cavity | Contains primarily the major organs of digestion. |
| pelvic cavity | Contains primarily the organs of the reproductive and excretory systems. |
| diaphragm | A muscle that separates the thoracic and abdominal cavities. |
| quadrant | Divided into four. RUQ-right upper quadrant LUQ-left upper quadrant RLQ-right lower quadrant LLQ-left lower quadrant |
| regions | A descriptive system dividing the abdomen and lower portion of the thorax into nine regions. |
| hypochondriac (right and left) | Are located on the sides and are covered by the lower ribs. |
| epigastric | Located above the stomach. |
| lumbar (right and left) | Located on the sides near the inward curve of the spine. |
| umbilical | Surrounds the umbilicus. Also know as the belly button or navel. |
| iliac (right and left) | Located on the sides over the hip bones. |
| hypogastric | Located below the stomach. |
| peritoneum | The membrane that protects and supports (suspends in place) the organs located in the abdominal cavity. |
| peritonitis | Inflammation of the peritoneum. |
| ascites | An abnormal accumulation of clear or milky serous (watery) fluid in the peritoneal cavity. |
| Laparoscopy | The visual examination of the interior of the abdomen with the use of a laparoscope. |