what does white matter in the brain mean
White matter disease. White matter disease also offers an insight into the importance of white matter in the brain. White matter disease targets small blood vessels deep inside white matter in the brain.In turn, these tiny arteries are then hardened, making it difficult for nutrients to access cells in the white matter.hite matter disease targets small blood vessels deep inside white matter in the brain. In turn, these tiny arteries are then hardened, making it difficult for nutrients to access cells in the white matter.