This image depicts multiple sclerosis (MS), showing a section of brain and revealing the changes that occur in this disease. There is an area of normal tissue, an area of inflammation (depicted by damaged myelin, blue and the presence of foamy macrophages, red cells) and finally the scar that is left once all the myelin is removed (shown by the circle of astrocytes, yellow cells).

It was created as part of ‘Multiple Sclerosis: the big knit’ a collaborative knitting science …