Cartilage and bone development: Three paths to skeleton formation
In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...
The Scientist1y
The World's Densest Bones
He was uninjured, and X-rays of his spine showed no fractures. They did, however, reveal unusually dense bones. John's radiologist referred him to Karl Insogna, the director of the Yale Bone Center.