Assertion: skull's sinus | /r/HasProperty | located within certain bones of the skull
Facets:
Source sentences:
text: The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull (Figure 6.27).
text: The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull (Figure 16).
text: The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull (Figure 16).