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Skull 1. Skull Base. 2. Face.

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Skull Adult Skull - PA 0 Degree Angulation

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PA 15 Degree Angulation (Caldwell)

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Adult Skull - Townes View

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Adult Skull - Lateral View

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1. Coronal suture 2. Cribriform plate 3. External acoustic meatus 4. Frontal bone 5. Internal occipital protuberance 6. Lambdoid suture 7. Occipital bone 8. Orbital roof 9. Parietal bone 10. Posterior margin of foramen magnum 11. Sagittal suture Skull, AP projectionSkull, lateral projection

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Skull Base 1. Anterior clinoid process 2. Body of sphenoid 3. Cribriform plate 4. Crista galli 5. Clivus 6. Dorsum sellae 7. Ethmoid bone 8. Frontal bone 9. Foramen magnum 10. Greater wing of sphenoid 11. Jugular foramen 12. Jugular tubercle 13. Lesser wing of sphenoid 14. Occipital bone 15. Occipital condyle 16. Olfactory groove 17. Optic canal 18. Oval foramen 19. Pterygoid process 20. Round foramen 21. Sella turcica 22. Sphenoidal plane 23. Tuberculum sellae

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1. Anterior clinoid process 2. Body of sphenoid 3. Cribriform plate 4. Crista galli 5. Clivus 6. Dorsum sellae 7. Ethmoid bone 8. Frontal bone 9. Foramen magnum 10. Greater wing of sphenoid 11. Jugular foramen 12. Jugular tubercle 13. Lesser wing of sphenoid 14. Occipital bone 15. Occipital condyle 16. Olfactory groove 17. Optic canal 18. Oval foramen 19. Pterygoid process 20. Round foramen 21. Sella turcica 22. Sphenoidal plane 23. Tuberculum sellae Skull base, axial projection Skull base, lateral projection

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1. Ethmoid sinus 2. Frontal sinus 3. Hard palate 4. Head of mandible 5. Inferior concha 6. Infraorbital ridge 7. Mandible 8. Mandibular ramus 9. Maxillary sinus 10. Nasal bone 11. Sphenoid sinus 12. Vomer 13. Zygomatic bone 14. Zygomatic arch Face, PA projectionFace, PA, semiaxial projectionFace

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1. Ethmoid sinus 2. Frontal sinus 3. Hard palate 4. Head of mandible 5. Inferior concha 6. Infraorbital ridge 7. Mandible 8. Mandibular ramus 9. Maxillary sinus 10. Nasal bone 11. Sphenoid sinus 12. Vomer 13. Zygomatic bone 14. Zygomatic arch Face, lateral projectionFace, axial projection

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