Assertion: bone marrow's cell | /r/HasProperty | identified
Facets:
Source sentences:
text: Find an area in the smear where the red blood cells are spread out and individual cells can be identified.
text: The astrocyte-like cells can be identified because they contain glial fibrillary acidic protein (GFAP), whereas the ependymal cells stain positive for nestin, which is regarded as a marker of neural stem cells.