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The Skull

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The Skull

  1. 1. The SkullThe Skull Raymond G Buick FRCS 16 mins
  2. 2. The Skull Joints Bones Foramina
  3. 3. The Skull cranial vault – neurocranium facial skeleton – viscerocranium
  4. 4. The Skull removing the skull cap (calvarium) see the floor of the cranial vault
  5. 5. Joints in the skull Joints in the skull temporomandibular joint specialised joints – sutures
  6. 6. Joints in the skull temporomandibular joint
  7. 7. temporomandibular joint temporomandibulartemporomandibular jointjoint only moveable joint hinge & gliding movements head of condyle
  8. 8. Joints in the skull Joints in the skull temporomandibular joint specialised joints – sutures only occur in the skull in adult – very little movement in children – more mobile
  9. 9. The Skull parietal frontal occipital
  10. 10. The Skull parietal frontal sutures
  11. 11. The Skull parietal frontal allow flexability during childallow flexability during child birthbirth
  12. 12. The Skull parietal frontal fontanelles close at 18 to 24close at 18 to 24 mthsmths
  13. 13. The Skull lambda bregma
  14. 14. The Skull lamdoid suture
  15. 15. skull temporal ethmoid parietal frontal occipital sphenoid
  16. 16. skull temporal ethmoid parietal frontal occipital sphenoid
  17. 17. Temporal mastoid process squamous temporal zygomatic process mandibular fossa external acoustic meatus
  18. 18. openings protecting sensory organs orbit nasal oral
  19. 19. maxilla orbit nasal oral maxillamaxilla
  20. 20. mandible mandiblemandible
  21. 21. The Skull frontal parietal temporal mandible zygomazygoma
  22. 22. The Skull mandiblezygomazygoma
  23. 23. The Skull zygomatic arch.zygomatic arch.
  24. 24. The Skull zygomazygoma suture temporal bone and zygoma
  25. 25. The Skull zygomazygoma suture temporal bone and zygoma suture frontal bone and zygoma
  26. 26. The Zygoma suture temporal bone and zygoma suture frontal bone and zygoma suture maxilla and zygoma
  27. 27. Facial Bonesnasal bones Greater wing of sphenoid maxilla mandible zygoma
  28. 28. Facial Bones supra-orbital notch nasal bones Vomer Nasal Septum ethmoid maxilla Conchae
  29. 29. Eye Socket supraorbital notch zygoma Ethmoid lacrimal bone maxilla frontal
  30. 30. The Skull INSIDE THE CRANIUM the floor of the cranial vault
  31. 31. The Skull anterior cranialanterior cranial fossafossa posterior cranialposterior cranial fossafossa middle cranial fossamiddle cranial fossa
  32. 32. The Skull anterior cranialanterior cranial fossafossa
  33. 33. anterior cranialanterior cranial fossafossa middle cranial fossamiddle cranial fossa The Skull
  34. 34. anterior cranialanterior cranial fossafossa middle cranial fossamiddle cranial fossa posterior cranialposterior cranial fossafossa The Skull
  35. 35. sphenoidsphenoid Sphenoid
  36. 36. sphenoidsphenoid lesser wing Sphenoid
  37. 37. sphenoidsphenoid lesser wing greater wing Sphenoid
  38. 38. Sphenoid
  39. 39. Temporal petrouspetrous auditory ossicles facial canal auditory canal
  40. 40. Facial Bones supraorbital notchglabella Greater wing of sphenoid Optic canal Superior orbital fissure Inferior orbital fissure
  41. 41. Facial Bones supraorbital notch nasal bones Vomer ethmoid Infraorbital Foramen Conchae Optic canal Superior orbital fissure nasal septum
  42. 42. Mandible coronoid process head of condyle Mental foramen body ramus angle
  43. 43. anterior cranial fossaanterior cranial fossa Frontal crest Crista galli Foramen caecum Cribriform platefrontal bone Lesser wing of sphenoid Anterior clinoid process
  44. 44. inside skullinside skull foramen rotundum Foramen ovale pituitary fossa Foramen spinosum Foramen lacerum dorsum sellae posterior clinoid process
  45. 45. inside skullinside skull Transverse sinus Sigmoid sinus confluence of sinuses foramen magnum hypoglossal canal
  46. 46. The End Raymond G Buick FRCS

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