densitometry reference. osteopenia and osteoporosis. aging process

adult age aging anatomical anatomy arthritis biology bmd body bone break cartilage chart closeup column condition decline decrease decreasing densitometry density diagnose diagnosis diagnostic diagram disease exam examination female fracture graphic health healthy human illustration joint loss mass medical medicine menopause mineral normal old orthopedic osteodensitometry osteopathy osteopenia osteoporosis osteoporotic pain pelvis postmenopausal problem process reference result rheumatology scan science severe skeletal skeleton spongy stage structure technology test texture tissue vector woman