bmd woman`s lumbar spine bone mass image the graph has a standard point below therefore diagnosed with osteoporosis

aging anatomy below biology bmd body bone brittle calcium care close comparing concept density design diagnosed diagram disease fracture fragility graph has health healthy holes human illustration image inside joint loss lumbar macro mass medical medicine microscopic normal old osteoporosis pain paper point porous rendering schematic science simplified skeletal skeleton spinal spine spongy stages standard structure therefore tissue unhealthy vector white womans