Assertion: embedded spheroid | /r/HasProperty | imaged by brightfield
Facets:
value: to quantify number
type: PURPOSE
Source sentences:
text: Fixed collagen-embedded spheroids could be imaged by brightfield, to quantify the distance and number of cells invading, or immunofluorescence microscopy (Sections 3-5), for visualization of invasive structures formed by the cells (Figures 5B, 5C).