Assertion: epidermis's layer | /r/HasProperty | columnar cells
Facets:
Source sentences:
text: The epidermis is composed of multiple layers of flattened cells that overlie a base layer (stratum basale) composed of columnar cells arranged perpendicularly.
text: The epidermis is composed of multiple layers of flattened cells that overlie a base layer (stratum basale) composed of columnar cells arranged perpendicularly.