They contain two layers of living tissue ... she will likely send you for a bone density test. The one most people have is a dual-energy x-ray absorptiometry (DEXA or DXA) scan, says Dr. Augustine.
Dual-energy X-ray absorptiometry (DXA, or formerly DEXA) is a technique used to measure bone mineral density (BMD). The preferred regions for BMD measurement are lumbar spine, proximal femur and whole ...