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Photomicrograph of a teratoma derived from miPS showing three different tissues: (A1) striated muscle, (A2) cartilage, and (A3) pseudostratified ciliated epithelium. Photomicrograph of a tumor derived from biPS composed of (B1) undifferentiated tissue with high mitotic activity, (B2) adipose tissue, and (B3) fibroblast-like fusiform cells. Hematoxylin and eosin, objective × 40
