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3 Cards in this Set
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mediastinum |
the mass of tissues and organs separating the sternum in front and the vertebral column behind, containing the heart and its large vessels, trachea, esophagus, thymus, lymph nodes, and other structures and tissues |
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The mediastinum is divided into what 4 regions |
anterior region middle region posterior region superior region |
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how many ribs do we have |
12 on each side |
