Assertion: brain's matter | /r/MadeOf | myelinated nerve fibers
Facets:
value: white matter
type: OTHER
Source sentences:
text: White matter: White matter consists of myelinated nerve fibers that are bundled into tracts and carry nerve signals between brains cells.
text: White matter consists of myelinated nerve fibers that are bundled into tracts and carry nerve signals between brains cells.