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Neurospheres by scanning electron microscopy. (A) MSC-WJ reached confluency; (B) Neurospheres began to be formed by the MSC-WJ, these cells-initiated pseudopod projections for grouping and anchoring and began spherical organization (white arrows); (C) Cells that migrated and took part in the neurospheres formation (black arrows); (D) neurospheres formed by the MSC-WJ organization. SEM: Vega-3LMU, Tescan, Brno, Czech Republic.
