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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Dev Dyn. 2011 Feb;240(2):432–440. doi: 10.1002/dvdy.22550

Figure 7.

Figure 7

Ror2−/− mice exhibits retarded development and defective differentiation of tooth. (A, B) Histological sections reveal retarded molar development in Ror2 mutant at P0 (B), as compared to the control (A). (C) A higher magnification of wild type molar from the box in (A) shows formation of pre-dentin (Pd) and normal morphology of ameloblasts (Am) and odontoblasts (Od). (D) A higher magnification of Ror2 mutant molar from the box in (B) shows absent pre-dentin formation and abnormal morphology of ameloblasts (Am) and odontoblasts (Od). (E, F) Sagittal sections reveal the normal size of a wild type incisor (E) and a shortened incisor in Ror2 mutant (F) at P0.