Three construction teams, each with their own blueprint One type of precursor cell forms the skull and facial bones, another the spinal column and ribs, and a third type the skeleton of the limbs.

You can also get undifferentiated pleomorphic sarcoma of the soft tissues. Chordoma is a very rare, slow growing type of bone cancer. Chordomas grow from the notochord. The notochord forms the early ...

Primary bone cancer (that arises directly in the bone), is relatively rare. Different types of bone tissue give rise to different types of primary bone cancer: osteosarcoma develops from cells ...