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Fig. 2. Histological analysis of tooth morphology in Pitx2 isoform deletions. (A-F) Coronal sections through molar teeth of 14.5 and 16.5 dpc embryos stained with Hematoxylin and Eosin. Genotypes and stage are labeled. (G-I) Parasagittal sections stained with Hematoxylin and Eosin through molar teeth (18.5 dpc).