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Fig. 5. Canonical Wnt signaling impaired in the Ihh-/- embryo.
In situ hybridization using digoxigenin-labeled riboprobes against
Tcf1 (A,A'), Dkk1 (B,B'), Lef1
(C,C'), Tcf3 (D,D') or Tcf4 (E,E') on
sections of E14.5 tibia of wild type (A-E) versus Ihh-/-
embryos (A'-E'). Arrows indicate the perichondrium. P,
proliferating chondrocytes; PH, prehypertrophic chondrocytes;
H, hypertrophic chondrocytes; C, chondrocytes.