Assertion: xylem's cell | /r/HasAspect | thickening
Facets:
value: at the corners
type: LOCATION
Source sentences:
text: Metaxylem vessels and cells are usually larger; the cells have thickenings which are typically either in the form of ladderlike transverse bars (scalariform) or continuous sheets except for holes or pits (pitted).
text: The living cells of collenchyma have thickenings at the corners.
text: Metaxylem vessels and cells are usually larger; the cells have thickenings which are typically either in the form of ladderlike transverse bars (scalariform) or continuous sheets except for holes or pits (pitted).