Assertion: hippocampus | /r/HasProperty | gray-matter structure
Facets:
value: predominantly
type: DEGREE
Source sentences:
text: On the other hand, the hippocampus is predominantly a gray-matter structure housed in the mesial temporal lobe, whereas approximately half the length of the fornix, a white-matter structure, is suspended in ventricular space as it makes its arch from the alveus to the MB.