1. Alveolar process 2. Alveolar yokes 3. Anterior nasal spine 4. Canine fossa 5. Fossa for lacrimal sac 6. Frontal process 7. Glabella 8. Greather wing of sphenoid bone 9. Inferior orbital suture 10. Infraorbital foramen 11. Infraorbital groove 12. Internasal suture 13. Metopic suture 14. Middle nasal concha 15. Nasal crest 16. Nasal notch 17. Posterior ethmoidal foramen 18. Supraorbital foramen 19. Zygomatic process 20. Zygomaticofacial foramen

1. Alveolar yokes 2. Condylar process 3. Coronoid process 4. Dental alveoli 5. Digastric fossa 6. Mandibular foramen and canal 7. Mandibular lingula 8. Mandibular notch 9. Masseteric tuberosity 10. Mental foramen 11. Mental protuberance 12. Mental spine 13. Mental tubercle 14. Mylohyoid groove 15. Mylohyoid line 16. Obliqe line 17. Pterygoid tuberosity 18. Retromolar fossa 19. Sublingual fossa 20. Submandibular fossa

1. Ala of crista galli 2. Anterior clinoid process 3. Cribriform foramina 4. Foramen cecum 5. Foramen rotundum 6. Greater palatine foramen 7. Horizontal plate 8. Lateral plate 9. Middle nsal concha 10. Nasal crest 11. Orbital canal 12. Palatovaginal canal 13. Posterior nasal spine 14. Prechiasmatic groove 15. Pterygoid canal 16. Pterygoid humulus 17. Scaphoid fossa 18. Superior orbital fissure 19. Vomerovaginal groove 20. Zygomaticotemporal foramen

1. Accessory process 2. Annular epiphysis 3. Anterior articular surface 4. Anterior tubercle 5. Apex of dens 6. Costal process 7. Foramen of vertebral artery 8. Groove for spinal nerve 9. Groove for vertebral artery 10. Inferior articular facet 11. Inferior costal demifacet 12. Inferior vertebral notch 13. Lateral articular facet 14. Mammillary process 15. Pedicle of vertebral arch 16. Pedicle of vertebral arch 17. Posterior articular facet 18. Transverse costal facet 19. Transverse ligament tubercle 20. Uncinate process

1. Carotid canal 2. Condylar canal 3. External occipital crest 4. Foramen ovale 5. Foramen rotundum 6. Groove for occipital artery 7. Hypoglossal canal 8. Jugular fossa 9. Jugular process 10. Mandibular fossa 11. Mastoid canaliculus 12. Mastoid foramen 13. Mastoid notch 14. Opening of cochlear canaliculus 15. Petrosal fossula 16. Scaphoid fossa 17. Spine of sphenoid 18. Styloid process 19. Stylomastoid foramen 20. Tympanic canaliculus

1. Carotid groove 2. Cerebellar fossa 3. Cerebral fossa 4. Clivus 5. Condylar canal 6. Foramen cecum 7. Foramen spinosum 8. Groove for sigmoid sinus 9. Groove for superior petrosal sinus 10. Hiatus of greather petrosal nerve 11. Internal acustic meatus 12. Internal opening of carotid canal 13. Mastoid canal 14. Mastoid foramen 15. Occipital groove 16. Opening of vestibular canaliculus 17. Posterior clinoid process 18. Prechiasmatic groove 19. Sphenoidal jugum 20. Tuberculum sellae