Assertion: neuroepithelium's cell | /r/HasProperty | observed
Facets:
value: as early as day
type: TEMPORAL
value: very rarely
type: DEGREE
Source sentences:
text: Labeled cells other than HBCs were very rarely observed.
text: (D–F) CD31+ endothelial cells were observed as early as day 2 (D) and endothelial networks formed from day 4 on (E).
text: Other dead cells had a reduced and condensed cytoplasm and highly condensed nuclei, whereas highly electron-dense cells with small nuclei and empty vesicles in the cytosol were also observed (Figure 2B, panel d).