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Gli3 regulates the patterning of superstructures globally. (A-O) Skeletal preparations of E17.5 fore- and hindlimbs from Gli3 KO and control embryos (A-I) and from limb-specific Prx1-Cre;Gli3floxed cKO and control embryos (J-O). Affected superstructures are indicated by black arrows. cp, coronoid process; es, ectopic sesamoids; lf, lateral fabella; mc, medial tibial condyle; mf, medial fabella; ole, olecranon; op, olecranon process; pa, patella. Scale bars: 500 µm.
