This landscape of blue, red, and gold is a cross section through a developing human bone. Human bones have a hard outer layer made of condensed bone and a softer inner core of spongy bone. This ...

Repairing bones and cartilage may get easier thanks to newly discovered human skeletal stem cells. Scientists found the stem cells, which give rise to bones, cartilage and the spongy bone that harbors ...

Mice receiving just one therapeutic dose of radiation lost as much as 39 percent of the spongy portion of inner bone, reducing the inner bone's weight bearing connections by up to 64 percent and ...

Medically reviewed by Gagandeep Brar, MD Key Takeaways Bone marrow fills the cavities in your bones and produces blood ...