Assertion: neuroepithelium's cell | /r/CapableOf | act as stem cells
Facets:
value: for the neuronal and sustentacular cells
type: PURPOSE
Source sentences:
text: Two types of basal cells rest on the basement membrane: true basal cells similar to those found in respiratory epithelium and lightly staining undifferentiated basal cells that act as stem cells for the neuronal and sustentacular cells.