White matter

What is White matter?

White matter is tissue found in the brain. It contains nerve fibers. Many of these nerve fibers (axons) are surrounded by a type of fat called myelin. The myelin gives the white matter it's color. Myelin acts as an insulator. It plays an important role in the speed of nerve signaling.

Questions and answers on "White matter"

what is on A MRI ? I have a lot of white matter?

doctor1 MD


An MRI obtains images of body organs by making use of magnetic waves. What organs are visualized on an MRI depends on the site of the imaging....

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what does a mri show when a lot of white matter and no one told me anything else but it is 200 pages...

doctor1 MD

Thank you for posting your query.

I am Dr Sudhir Kumar, Neurologist, and I would try my best to help you.

I have noted your details. Based on...

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Is there a brain abnormality that begins with white?

All I need to know are brain abnormalities that begin with the word white. I can look up...

doctor1 MD

Brief Answer:
You are probably talking about white matter lesions.

Detailed Answer:
Hi Gthomas,
Thanks for being on healthcaremagic.com.
I am...

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