Assertion: peristome | /r/HasProperty | a ring of triangular teeth
Facets:
Source sentences:
text: Each peristome is a ring of triangular "teeth" formed from the remnants of specially thickened cell walls.
text: Each peristome is a ring of triangular "teeth" formed from
text: Each peristome is a ring of triangular "teeth" formed from the remnants of dead cells with thickened cell walls.