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Hematoxylin-eosin staining of teratomas derived from hHF-MSC-derived iPSCs. Teratomas is composed of various type of tissues: (a) Pigmented epithelium (ectoderm). b Rosettes of the neural epithelium (ectoderm). c squamous epithelium (ectoderm). d cartilage tissue (mesoderm). e Respiratory epithelium (endoderm). f Gland-like structures (endoderm). Bars = 500 μm
