Assertion: xylem's cell wall | /r/HasProperty | thin
Facets:
Source sentences:
text: They have primary cell walls which are thin and flexible, and most lack a secondary cell wall.
text: Cell wall: thin walled made up of cellulose, hemicellulose and pectin
text: The cell wall is cellulosic and thin
text: The cell wall is thin and encloses a dense cytoplasm which contains a small nucleus and a large central vacuole.
text: Cell walls are thin.