Assertion: temporal bone's part | /r/HasProperty | mastoid portion
Facets:
Source sentences:
text: Its main parts include its petrous portion, tympanic portion, and mastoid portion, all of which are parts of the skull base, and its squamous and zygomatic portions (Fig. 22.1).
text: The osseous parts include the mastoid portion, the petrous portion housing the inner ear, the tympanic portion forming much of the external auditory canal (EAC), the styloid process, and the squamous portion.