Assertion: epiglottis's border | /r/HasProperty | concave
Facets:
value: behind
type: LOCATION
value: in front
type: LOCATION
Source sentences:
text: The upper border is concave behind and convex in front; it gives attachment to the corresponding half of the hyothyroid membrane.
text: The lower border is concave behind, and nearly straight in front, the two parts being separated by the inferior thyroid tubercle.