1. The bones of the skull protect the brain and guard the entrances to
the digestive and
respiratory systems.
steven lee
M.S. Pathology
FTCC

2. steven lee
M.S. Pathology
FTCC

3. Frontal bone
Zygomatic
bone
maxilla
vomer
steven lee
M.S. Pathology
FTCC
mandible

4. Frontal bone
Supraorbital
Foramen
(frontal bone)
Glabella
(frontal bone)
Zygomatic
Process
(frontal bone)
Supraorbital
Margin
(frontal bone)
Infraorbital foramen
(maxillary bone)
Middle nasal concha
(ethmoid bone)
Inferior nasal concha
maxilla
Perpendicular plate
(ethmoid bone)
Alveoli processes
(maxillary bone)
vomer
Alveoli processes
(mandible)
steven lee
M.S. Pathology
FTCC
mandible

5. Frontal eminence
Superciliary arch
(frontal bone)
steven lee
M.S. Pathology
FTCC

6. steven lee
M.S. Pathology
FTCC

7. Middle nasal concha
(ethmoid bone)
Perpendicular plate (ethmoid bone)
Inferior nasal concha
Infraorbital foramen
(maxillary bone)
steven lee
M.S. Pathology
FTCC
vomer

8. steven lee
M.S. Pathology
FTCC

9. Optic foramen or canal (sphenoid bone)
Superior orbital fissure
(sphenoid bone)
Inferior orbital fissure
(maxillary bone)
steven lee
M.S. Pathology
FTCC

10. When the supraorbital foramen is not completely
enclosed by bone, there is a supraorbital notch, rather
than a foramen, on the orbital rim, as is the case for
this specimen.
steven lee
M.S. Pathology
FTCC

11. Optic canals permit passage of the
optic nerves from the eyes to the brain.
steven lee
M.S. Pathology
FTCC

12. The inferior orbital fissure permits passage of cranial
nerves and blood vessels.
steven lee
M.S. Pathology
FTCC

13. The superior orbital fissure permits passage of cranial
nerves and blood vessels to the orbit
steven lee
M.S. Pathology
FTCC

14. steven lee
M.S. Pathology
FTCC

15. Frontal
bone
Parietal bone
lacrimal
nasal
Temporal bone
Occipital bone
Zygomatic
bone
maxilla
mandible
steven lee
M.S. Pathology
FTCC

16. steven lee
M.S. Pathology
FTCC
Zygomatic process
(frontal bone)
Frontal
bone
Coronal suture
Parietal bone
Frontal process
(zygomatic bone)
Zygomatic process
(Temporal bone)
lacrimal
nasal
Condylar process
(mandible)
Occipital bone
External auditory meatus
(temporal bone)
Temporal process
Zygomatic bone
maxilla
ramus
Coronoid process
(mandible)
External occipital
protuberance
angle
Mastoid process
(temporal bone)
mandible
Styloid process
(temporal bone)

17. steven lee
M.S. Pathology
FTCC

18. Supra meatal triangle
Mandibular
condyle
Post glenoid process
External auditory meatus
(temporal bone)
Tympanic part
mandible
Mastoid process
(temporal bone)
steven lee
M.S. Pathology
FTCC
Styloid process
(temporal bone)

19. steven lee
M.S. Pathology
FTCC

20. Frontal bone
Zygomatic process
(frontal bone)
Sphenoid bone
Temporal bone
Frontal process
(zygomatic bone)
Lacrimal bone
Ethmoid
bone
Nasal bone
Zygomatic arch
Zygomatic process
(temporal bone)
Temporal process
(zygomatic bone)
Zygomatic bone
Condylar process
(mandible)
Coronoid process
(mandible)
Mandibular notch
steven lee
M.S. Pathology
FTCC
maxilla
mandible

21. steven lee
M.S. Pathology
FTCC

22. Sagittal suture
Parietal bone
Lambdoidal
suture
Parietal bone
Occipital bone
Superior nuchal
line
External occipital
protuberance
Inferior nuchal
line
Middle nuchal line
Condyloid canal
Mastoid process
(temporal bone)
steven lee
M.S. Pathology
FTCC
Styloid process
(temporal bone)

23. steven lee
M.S. Pathology
FTCC

24. Frontal bone
Coronal suture
Parietal bone
Sagittal suture
Parietal bone
steven lee
M.S. Pathology
FTCC
Occipital bone

25. steven lee
M.S. Pathology
FTCC

26. Lesser wing (sphenoid bone)
Greater wing
(sphenoid bone)
Jugular foramen
Foramen magnum surrounds
the connection between the
brain and spinal cord.
Mastoid foramen
Hypoglossal canals
steven lee
M.S. Pathology
FTCC

27. Location of foramen rotundum (sphenoid bone), although not shown on this model
Foramen lacerum
(sphenoid bone)
Lesser wing (sphenoid bone)
Foramen ovale
(sphenoid bone)
Greater wing
(sphenoid bone)
Foramen spinosum
(sphenoid bone)
Petrous portion
(temporal bone)
Petrous portion
(temporal bone)
Foramen
magnum
Internal occipital crest
Internal occipital
protuberance
steven lee
M.S. Pathology
FTCC

28. steven lee
M.S. Pathology
FTCC

29. Lesser wing (sphenoid bone)
Cribiform plate
(ethmoid bone)
Crista galli
(ethmoid bone)
Lesser wing (sphenoid bone)
Sulcus chiasmatis
Tuberculum sellae
Sella turcica
(sphenoid bone)
Fossa hypophysis
Dorsum sellae
steven lee
M.S. Pathology
FTCC

30. Crista galli
(ethmoid bone)
The falx cerebri, a membrane that stabilizes the
position of the brain, attaches to this ridge.
Lesser wing (sphenoid bone)
Greater wing
(sphenoid bone)
Sella turcica
(sphenoid bone)
steven lee
M.S. Pathology
FTCC

31. steven lee
M.S. Pathology
FTCC

32. Optic canal
(sphenoid bone)
The hypophyseal fossa,
the depression within the
sella turcica houses and
protects the pituitary gland.
steven lee
M.S. Pathology
FTCC

33. steven lee
M.S. Pathology
FTCC

34. mandible Lesser wing (sphenoid bone) Petrous portion (temporal bone)
Lacrimal canal
(lacrimal bone)
nasal
Alveoli processes
(maxillary bone)
Internal acoustic canal
(temporal bone)
Squamous portion
(temporal bone)
mandible
ramus
body
steven lee
M.S. Pathology
FTCC
angle
Mastoid process (temporal bone)

35. steven lee
M.S. Pathology
FTCC

36. The internal auditory canal (meatus) carries
Petrous portion (temporal bone)
Internal auditory meatus
(temporal bone)
The internal auditory canal (meatus) carries
blood vessels and nerves to the
inner ear.
steven lee
M.S. Pathology
FTCC

37. steven lee
M.S. Pathology
FTCC

38. Palatine bones mandible Zygomatic arch Palatine process (maxilla)
Foramen
magnum
Occipital condyles
steven lee
M.S. Pathology
FTCC
External occipital
ptotuberance

39. Occipital condyles are the site of
articulation between the skull and
the 1st cervical vertebrae (atlas).
Occipital condyles
steven lee
M.S. Pathology
FTCC

40. steven lee
M.S. Pathology
FTCC

41. mandible
Palatine process
(maxillary bone)
Palatine
bone
steven lee
M.S. Pathology
FTCC
Palatine
bone

42. steven lee
M.S. Pathology
FTCC

43. Pterygoid processes
medial
medial
lateral
lateral
Pterygoid plates
(sphenoid bone)
vomer
steven lee
M.S. Pathology
FTCC
Foramen magnum

44. steven lee
M.S. Pathology
FTCC

45. mandible steven lee M.S. Pathology FTCC Coronoid process maxilla
Maxillary alveoli processes
Mandibular notch
Condylar process
ramus
Oblique line
Mental
foramen
Mandibular alveoli processes
body
Mandibular angle
mandible
Mental protuberance

46. steven lee
M.S. Pathology
FTCC
temporalis
buccinator
masseter
mentalis

47. steven lee
M.S. Pathology
FTCC

48. steven lee M.S. Pathology FTCC Maxillary bone Alveoli processes
mandible

49. FETAL
SKULL
steven lee
M.S. Pathology
FTCC

50. At birth, there are 2 frontal bones that articulate along the metopic
Metopic suture
At birth, there are 2 frontal bones
that articulate along the metopic
suture. Although the suture
generally disappears by age 8 as
the bones fuse, the adult skull
commonly retains traces of the
suture line.
steven lee
M.S. Pathology
FTCC

51. steven lee
M.S. Pathology
FTCC

52. steven lee M.S. Pathology FTCC Frontal fontanel (anterior)
Parietal bone
Frontal bone
Parietal bone
steven lee
M.S. Pathology
FTCC

53. steven lee
M.S. Pathology
FTCC

54. steven lee M.S. Pathology FTCC Parietal bone Parietal bone
Occipital fontanel
(posterior)
Occipital bone
steven lee
M.S. Pathology
FTCC

55. steven lee
M.S. Pathology
FTCC

56. steven lee M.S. Pathology FTCC Parietal bone Sphenoidal fontanel
(anterolateral)
Mastoidal fontanel
(posterolateral)
steven lee
M.S. Pathology
FTCC