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Observations of the formed teratomas and EBs. (a–c) The gastrointestinal tract (arrowhead), skin, and cells that produce melanin were mixed in the HE-stained sections of teratomas. (d) Morphology of suspension-cultured EBs. EB section specimens stained with (e) HE, (f) Tubulin-βIII, (g) α-SMA, and (h) AFP. Bars: 50 μm.
