Figure 1.

Normal radiographic anatomy of the head of the green iguana in VD projection. A. Ventral view in a superficial plane of stratigraphic dissection (only skin was removed) of the head of an iguana. B. Ventral view of stratigraphic dissection after removal of Musculus constrictor colli and Musculus intermandibularis (lower part of the image) and a deeper plane of dissection (upper part of the image) of the head of an iguana (deeper plane of dissection is labelled with * on the image). C. VD radiographic projection of the head of an iguana. Ro is rostral, L is left.1. Premaxillary bone; 2. Dentary bone; 3. Musculus intermandibularis; 4. Musculus geniohyoideus; 5. Musculus hyoglossus; 6. Musculus pterygoideus typicus; 7. Ceratobranchial 1 process of the hyobranchial skeleton; 8. Vomer bone; 9. Musculus genioglossus; 10. Tendinous band; 11. Ceratohyal process of the hyobranchial skeleton; 12. Ceratobranchial 2 process of the hyobranchial skeleton; 13. Musculus omohyoideus; 14. Palatine bone; 15. Ectopterygoid bone; 16. Pterygoid bone; 17. Jugal bone; 18. Postorbital bone; 19. Articular bone + quadrate bone; 20. Parietal bone; 21. Basioccipital bone; 22. Paraoccipital process of otooccipital bone; 23. Adductor fossa; 24. Epipterygoid bone; 25; Interpterygoid vacuiti; 26. Maxillary bone.

Banzato et al. BMC Veterinary Research 2012 8:53   doi:10.1186/1746-6148-8-53
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