It looks like you are using an older version of Internet Explorer which is not supported. We advise that you update your browser to the latest version of Microsoft Edge, or
consider using other browsers such as Chrome, Firefox or Safari.
A core part of the brain made up of axons.
There’s a good chance you’ve overheard someone, at least once in your life, referring to a person’s intellect or lack thereof by using the term “gray matter.” Well, you’ll feel smarter to know that there’s also a thing called white matter. It’s the paler tissue of the brain and spinal cord made up mostly of impulse-conducting axons. These axons are covered in a fatty, protective substance called myelin, which gives the tissue its white/pale color.
Visit the Living Like You social channels to join the discussion and get the latest updates.