Assertion: telencephalon's cell | /r/MadeOf | epidermal growth factor
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text: We observed that culturing cells in media containing epidermal growth factor (EGF) and fibroblast growth factor 2 (FGF-2) led to the formation of sphere-like structures from both the telencephalon ( Figures 1 A and 1B ) and from dien- and mesencephalon ( Figure S1 available online).