Fig. 6. Craniofacial abnormalities in Alx3^-/-/Alx4^lst-J/lst-J double mutant newborn mice. Photos and corresponding diagrams of control and Alx3/Alx4^lst-J double mutant skulls. Dorsal view on vaults of control (A,B) and Alx3/Alx4^lst-J double mutant (C,D) skulls. Ventral views on skulls from which mandible was dissected of control (E,F) and Alx3/Alx4^lst-J double mutant (G,H) mice. All skeletal elements are represented by a colour in the diagrams as indicated in the legend. Asterisks in E,G indicate positions of pterygoid processes. Abbreviations: As, alisphenoid bone; Bo, basioccipital bone; Bs, basisphenoid bone; M, maxilla; Ns, nasal septum; P, palatine; Ps, basipresphenoid bone; S, squamosal bone; So, supraoccipital bone.