Assertion: xylem's cell | /r/CapableOf | comprise epithelial layer
Facets:
Source sentences:
text: The cells comprising an epithelial layer are linked via semi-permeable, tight junctions; hence, this tissue provides a barrier between the external environment and the organ it covers.
text: The cells comprising an epithelial layer are linked via semi-permeable, tight junctions; hence, this tissue provides a barrier between the external environment and the organ it covers.