Figure 3From: Long-term Safety and Efficacy of Human-Induced Pluripotent Stem Cell (iPS) Grafts in a Preclinical Model of Retinitis PigmentosaHuman iPS cells differentiated into cell types of all three germ layers. (A) Gastrointestinal epithelium (endoderm). (B) Muscle (mesoderm). (C) Neuroepithelium with pigment (ectoderm). (D) Cartilage (mesoderm) (scale bar, 100 µm).Back to article page