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Experimental design and whole mount LacZ staining. (A): Time course of cell lineage mapping experiments for postnatal and adult stages. TM, tamoxifen (B, D): Typical examples of whole-mount LacZ staining of tongues in CreER−/Rosa26R (B) and CreER+/Rosa26R (D) tongues chased for 2 weeks from P30. (E, F): Anterior tongue surface (E) and soft palate (F) of CreER+/Rosa26R mice chased for 1 month from P30. Abbreviation: P, postnatal day.
