Assertion: epidermis's cell | /r/HasAspect | thick walls
Facets:
Source sentences:
text: Unlike collenchyma, mature cells of this tissue are generally dead and have thick walls containing lignin.
text: Unlike collenchyma, mature cells of this tissue are generally dead and have thick walls containing lignin.
text: Unlike collenchyma, mature cells of this tissue are generally dead and have thick walls containing lignin.