Definition that contains myelin
- ms a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers
- cortex the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
- tract a bundle of myelinated nerve fibers following a path through the brain
- pathway a bundle of myelinated nerve fibers following a path through the brain
- medullated (of neurons) covered with a layer of myelin
- white matter whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths
- nodes of ranvier small gaps in the myelin sheath of medullated axons
- medullated nerve fiber a nerve fiber encased in a sheath of myelin
- cerebral peduncle a bundle of myelinated neurons joining different parts of the brain
- disseminated multiple sclerosis a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers