Assertion: xylem's cell wall | /r/HasProperty | thickened with deposits of lignin
Facets:
Source sentences:
text: Both types have secondary cell walls that are thickened with deposits of lignin, an organic compound that is a key component of wood.
text: Its cell walls are thickened by deposition of lignin, thereby, rendering mechanical support to such plants.
text: Both types have secondary cell walls that are thickened with deposits of lignin, an organic compound that is a key component of wood.
text: Both types have secondary cell walls that are thickened with deposits of lignin, an organic compound that is a key component of wood.