Assertion: stent's end | /r/HasProperty | collapsible
Facets:
value: to protect the middle ear
type: PURPOSE
Source sentences:
text: The distal end of the stent is collapsible or flexibly compressible so as to protect the middle ear from unsavory conditions in the nasal pharyrnx, including infection, excessive noise, or excessive positive pressures such as that produced by violent sneezing or coughing.