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Morphology of encapsulated hMSCs in (a) GelMA and (b) CNT-GelMA hydrogels with 0.5 mg/ml CNTs. (a) Cytoplasmic prolongations (arrow) from the flat cell body of a hMSC extends to the over surface of the pores. (b) Thin threadlike cytoplasmic prolongations (arrows) that extend from the round bodies of hMSCs. (c) Magnified image showing the details of long threadlike cytoplasmic prolongations (arrows) that extend from the round body of a single hMSC, interweave with and reach nanofibers.
