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Body Cavities- axial
Major body cavities within the axial portion of the body- dorsal and ventral
Question | Answer |
---|---|
Dorsal body cavity | protects fragile nervous system organs 2 subdivisions |
Cranial Cavity | in the skull, encases the brain; part of the dorsal cavity |
Vertebral aka Spinal Cavity | runs within the bony vertebral column, encloses the spinal cord; part of the dorsal cavity |
Ventral body cavity | the more anterior and larger of the closed body cavities, houses internal organs 2 subdivisions |
Viscera | internal organs (collectively) |
Thoracic Cavity | surrounded by the ribs and muscles of the chest; subdivided into two other parts |
Pleural Cavities | each housing a lung; part of the thoracic cavity |
Mediastinum | contains the pericardial cavity and also surrounds the remaining thoracic organs; esophagus, trachea, etc |
Pericardial Cavity | encloses the heart |
Abdominopelvic Cavity | separated from the thoracic cavity by the diaphragm; two parts abdominal and pelvic cavities |
Abdominal Cavity | contains the stomach, intestines, spleen, liver, and other organs |
Pelvic Cavity | lies in the bony pelvis; contains the bladder, some reproductive organs, and the rectum |