Assertion: white matter | /r/LocatedNear | inner core of gray matter
Facets:
value: in the spinal cord
type: LOCATION
Source sentences:
text: -In the spinal cord, the white matter surrounds an inner core of gray matter that, is shaped like a butterfly or the letter H.
text: In the spinal cord, white matter surrounds an inner core of gray matter >> shaped like a butterfly