side of human head or skull​ ​ on​ black​ graphic background.green x-ray film for​ check​ or​ analysis

anatomical anatomy arthritic arthritis background biology black body bone break care diagram disease education film graphic green head headache health healthy hospital human inflammation injury isolated joint lab man medical medicine pain painful physical radiation radiology ray rheumatoid scan science skeletal skeleton skull surgery wrist xray side skull​ isolated​ black​ x-ray for​ check​ analysis broken​ bone​ healt protection​ treatment 3d​ ​ background green ​ treatment 3d​