diaphysis http://upload.wikimedia.org/wikipedia/commons/9/94/Illu_long_bone.jpg Subdivision of long bone which forms the part of the bone between the two epiphyses; together with other the subdivisions of long bone, it constitutes the long bone. Examples: diaphysis of humerus, diaphysis of femur[FMA]. GAID:189 Wikipedia:Diaphysis EMAPA:35504 long bone diaphysis SCTID:361729006 shaft of long bone Subdivision of long bone which forms the part of the bone between the two epiphyses, excluding the metaphyses[FMA,modified]. FMA:24013 MESH:D018483 UBERON:0004769 body of long bone The main or mid section (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat)[WP][FMA:24013, Wikipedia:Diaphysis]. zone of long bone