Fig. 3. Histological images of subcutaneous fat tissues post application of gelatin microneedle (MN) patches. Subcutaneous adipose tissue (SAT) treated with MN patches was stained with hematoxylin and eosin (H&E) (A). The relative sizes of the adipocytes were measured and calculated (B). Data are expressed as mean ± SEMs of adipocyte sizes from five images of three rats/group. *p < 0.05 compared with the control group.
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