Secret tunnels discovered between the skull and the brain

Bone marrow, the spongy tissue inside most of our bones, produces red blood cells as well as immune cells that help fight off infections and heal injuries. According to a new study of mice and humans, tiny tunnels run from skull bone marrow to the lining of the brain and may provide a direct route for immune cells responding to injuries caused by stroke and other brain disorders.

from Health & Medicine News -- ScienceDaily https://ift.tt/2PbZtsL