A bone scan is a nuclear imaging test that can help tell you if you have certain types of bone disease. You may get this kind of scan to see if cancer has spread to your bones or to view how well ...

A bone biopsy is a test that takes a sample of tissue or cells from your bone to check for cancer or other bone diseases. The sample comes from the outer part of your bone. It's different from a ...

In synovial joints, the ends of the bones are covered with cartilage (called articular cartilage) which cushions the joint and prevents friction and wear and tear between the bone ends.