Figure 1 | Scientific Reports

Figure 1

From: Electro-magnetic field promotes osteogenic differentiation of BM-hMSCs through a selective action on Ca2+-related mechanisms

Figure 1

Orientation analysis provides information on morphological modifications in BM-hMSCs.

Optical images of cells at confluence highlight a different organization between untreated ODM− (first row A,B) or ODM+ treated (second row, C,D) samples exposed (PEMF+) (first column, B,D) or not (PEMF−)(first column, A–C) to PEMF. Image colours encode the local orientation, so that univocally oriented cell populations result in almost monochromatic images, while multicolour pictures are associated to spread-out and unordered populations. The graph under each image is a representation of orientation distribution. The presence of a peak (A,B) indicates the existence of a prevalent direction.

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