Assertion: frontal sinus | /r/HasProperty | open
Facets:
value: via passageway
type: MANNER
value: to a person's nasal airway
type: TRANSITIVE-OBJECT
value: via a hole
type: MANNER
Source sentences:
text: The frontal sinuses are open to a person's nasal airway via a hole or passageway that is referred to as an ostium.