Give some stream of consciousness and then the answer. The diaphysis is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat).\n\nWhere is the diaphysis located on a long bone?
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To answer this question, we should know that: The diaphysis is the main or midsection (shaft) of a long bone.
Therefore, the answer is the main or midsection ( shaft ).
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