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Image of ultra-thin sections of embryonic hippocampal cells induced to differentiate with 100 nM calcitriol.
Diamidino-2-phenylindole (DAPI) staining: nucler signal (blue) and neutral sphingomyelinase (red). Enzyme is present in both neurites (white arrows) and cell nucleus (green arrows). Original magnification, 40×. The figure is sourced from our unpublished paper.
