Assertion: dermis's layer | /r/CapableOf | serve protective function
Facets:
Source sentences:
text: The resulting 'dead' superficial layer serves a protective function, saving underlying living tissues from injury, from dehydration and from fungal and bacterial attack.
text: Claws are pointed at their ends and are composed of two layers: a thick, deep layer and a superficial, hardened layer which serves a protective function.