Source:http://linkedlifedata.com/resource/umls/id/C0222671
UWDA: Subdivision of diaphysis which forms the proximal or distal end of diaphysis next to the epiphysis; together with diaphysis proper, it constitutes the diaphysis. Examples: proximal metaphysis of humerus, distal metaphysis of femur.,FMA: Subdivision of diaphysis which forms the proximal or distal end of diaphysis next to the epiphysis; together with diaphysis proper, it constitutes the diaphysis. Examples: proximal metaphysis of humerus, distal metaphysis of femur.