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. 2001 Jan 15;15(2):213–225. doi: 10.1101/gad.851501

Figure 6.

Figure 6

Homeotic transformation of vertebrae. (A–F) Skeletal staining of wild-type (A–C) and CYP26−/− (D–F) mice at P1. (il) Ilium; (fe) femur; (t) tibia; (fi) fibula; (aaa) anterior arch of the atlas; (at) anterior tubercle; (r) rib; (eo) exoccipital bone. The cervical vertebrae (C1*–C7*), thoracic vertebrae (T1*–T13*), and twenty-first vertebra (L1*) of the mutant mice are also indicated. The arrow in E indicates fusion of C1a* and the exoccipital bone. The arrow in F indicates fusion of ribs. (G) Schematic representation of vertebral transformation. Five CYP26−/− mutant mice (1– 5) were analyzed. Scale bar, 1 mm for A–F.