Regions of epithelium, injected gel and muscle tissue are indicated by letters E, G, and M, respectively. (a) HA-dex0.75 in the host tissue (scale bar: 200μm); (b), the interface of the host tissue and HA-dex0.75 gel (scale bar: 50μm); (c), HA-dex1 in the host tissue (scale bar: 200μm); (d) the interface of the host tissue and HA-dex1 gel (scale bar: 50μm). Cell types were visually identified in b and pointed by arrows (yellow horizontal arrow: macrophage; yellow vertical arrow: foam cell; black vertical arrow: neutrophil; black horizontal arrows: fibroblasts).[113] Reprint with permission from Luo, Y.; Kobler, J. B.; Heaton, J. T.; et al. J. Biomed. Mater. Res. B. Appl. Biomater.
2010, 93, 386. Copyright (2010) Wiley.