Assertion: gray matter | /r/PartOf | cortical outerregions
Facets:
value: in the cortex of the brain
type: LOCATION
Source sentences:
text: In the cortex of the brain, gray matter makes up the cortical (outer) regions, while the white matter tracts tend to make up the majority of the deep tissues of the brain, although there are exceptions to the latter, such as the deep basal and thalamic nuclei that are composed of gray matter.