Body Cavities and Related Structures

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Vocabulary flashcards covering major body cavities and anatomical views from Page 1 notes.

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12 Terms

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Cranial cavity

The space inside the skull that houses the brain.

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Thoracic cavity

Chest cavity that contains the heart and lungs; separated from the abdominal cavity by the diaphragm.

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Diaphragm

A dome-shaped muscle that divides the thoracic and abdominal cavities; primary muscle of respiration.

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Abdominal cavity

Cavity within the abdomen that houses most digestive organs.

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Vertebral canal

Hollow canal within the vertebral column that contains the spinal cord.

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Pleural cavity

Fluid-filled space around each lung formed by the pleural membranes.

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Mediastinum

Central compartment of the thoracic cavity between the lungs; contains the heart, trachea, esophagus, and other structures.

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Pericardial cavity

Potential space around the heart within the mediastinum.

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Abdominopelvic cavity

Continuous cavity that combines the abdominal and pelvic cavities.

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Pelvic cavity

Cavity within the pelvis that contains reproductive, urinary, and rectal structures.

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Dorsal

Central nervous system that is the cranial and vertebral cavities

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Ventral

Thoracic, Abdominal, and Pelvic Cavities