Fig. 6

Tumorigenic analysis of rabbit amniotic membrane cells injections into nude mice. a Macroscopically, after 8 weeks of injection there was no tumour formation. Histopathologic analysis of the b kidney, c lung, d liver, e heart and f spleen. In all samples analysed, there was no evidence of tumour formation, and the organs were observed to have retained normal histological features. GL glomerulus, PCT proximal convoluted tubule, A alveolus, CV lobular central vein