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(A) Representative adipose-derived stem cell (ADSC) monolayer and spheroid images for cultures formation from differing numbers of cells. (B) Diameter of spheroids formed by centrifugally pelleting different numbers of ADSCs. Initial spheroid size could be reliably controlled by adjusting the number of cells pelleted (white bars). Spheroids continued to condense for several days after initial formation before reaching a final minimal diameter by Day 4 (black bars). Scale bar=500 μm.
