| Term 
 
        | abdominal cavity or abdomen |  | Definition 
 
        | Space below chest containing organs such as liver, stomach, gallbladder, intestines |  | 
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        | Term 
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        | Space in head containing brain & surrounded by skull |  | 
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        | Muscle seperating the abdominal & thoracic cavities, |  | 
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        | centrally located space between the lungs |  | 
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 | Definition 
 
        | Space below the abdomen containing portions of the intestines, rectum, urinary bladder, & reproductive organs. |  | 
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        | Membrane surrounding the organs in the abdomen. |  | 
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        | Double layered membrane surrounding each lung. |  | 
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        | Space between the pleural membranes which surround the lungs |  | 
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        | Space within the spinal column containing the spinal cord.  Also called spinal canal. |  | 
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        | Term 
 | Definition 
 
        | Space in the chest containing the heart, lungs, bronchial tubes, trachea, esophagus, & other organs |  | 
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