close-up of a human skeleton's upper back and shoulders, details of the spine, scapulae, and ribs. the

skeleton upper back shoulders spine scapulae ribs bones closeup human anatomy intricate detailed realistic educational weathered medical structure skeletal system biology osteology vertebrae bone natural physiology healthcare study science white aged orthopedic history backbones education texture clinical anatomical model framework body learning museum display 39aph39 displaying details showcasing perspective generative