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(A,B) Low- (A) and high-magnification (B) confocal micrographs of oral roof palate epithelium in an adult expressing reporters for keratinocytes (Tg(krt4:DsRed)) and atoh1a-expressing cells (Tg(atoh1a:Lifeact-EGFP)). (B’) Reconstructed cross section along the yellow line in B showing two atoh1a+ cells in the upper strata of the oral epithelium. Scale bars: 50 µm (A) and 10 µm (B,B’).
