Assertion: columnar epithelium | /r/HasProperty | tissue
Facets:
Source sentences:
text: Simple columnar epithelia are tissues made of a single layer of long epithelial cells that are often seen in regions where absorption and secretion are important features.
text: Pseudostratified columnar epithelia are tissues formed by a single layer of cells that give the appearance of being made from multiple layers, especially when seen in cross section.