part of part of diaphysis of radius UBERON:0001028 shaft of radius body of radius radial shaft FMA:33782 Wikipedia:Body_of_radius NCIT:C120674 radial diaphysis A diaphysis that is part of a radius bone[Automatically generated definition]. corpus radii SCTID:302518002 shaft of radius The body of the radius (or shaft of radius) is prismoid in form, narrower above than below, and slightly curved, so as to be convex lateralward. It presents three borders and three surfaces[Wikipedia:Body_of_radius]. radius bone diaphysis