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 ...
Medically reviewed by Gagandeep Brar, MD Key Takeaways Bone marrow fills the cavities in your bones and produces blood cells.Red blood cells carry oxygen, white blood cells fight germs, and platelets ...