Assertion: mastoid process's portion | /r/CapableOf | occupy the groove
Facets:
Source sentences:
text: In its course it rests upon the squama of the occipital, the mastoid angle of the parietal, the mastoid part of the temporal, and, just before its termination, the jugular process of the occipital; the portion which occupies the groove on the mastoid part of the temporal is sometimes termed the sigmoid sinus.