1. Lab 6, Axial Skeleton
Skeletal System
Orange = axial skeleton
Yellow = appendicular skeleton

2. Cranial Bones
1 = frontal bone
2 = parietal bone
3 = occipital bone
4 = temporal bone
10 = sphenoid bone
23 = coronal suture
28 = squamosal suture 1 23 2 28 10 4 3

3. Cranial Bones
2 = parietal bones
3 = occipital bone
24 = sagittal suture
25 = lambdoidal suture 24 2 2 25 3

4. Cranial Bones
3 = occipital bone
4 = temporal bones
5 = sphenoid bone
Inferior view of skull 5 5 4 4 3

5. Cranial Bones Interior view of skull 1 = frontal bone
2 = parietal bones
3 = occipital bone
4 = temporal bones
5 = sphenoid bone
5a = sella turcica
(of sphenoid bone)
6 = ethmoid bone
6a = crista galli
(of ethmoid bone)
6b = cribriform plate
Interior view of skull 1 6 a b 2 2 5 5a 4 4 3

6. Parts of occipital bone
19 = occipital condyles
20 = foramen magnum 19 19 20

7. Parts of temporal bones
5 = mastoid process
6 = zygomatic process
7 = external acoustic meatus
8 = styloid process
lateral view of skull 6 7 8 5

8. Parts of temporal bones 4 = temporal bone 5 = mastoid process
6 = zygomatic process
7 = external acoustic meatus
8 = styloid process
9 = mandibular fossa 6 6 9 9 8 8 5 5

9. Parts of temporal bones
10 = carotid canal
11 = jugular foramen 10 10 11 11

10. Parts of ethmoid bone
14 = crista galli
13 = cribriform plate 14 13
Parts of sphenoid bone
12 = sella turcica 12 20
Parts of temporal bones
11 = jugular foramen 11 11
Parts of occipital bone
20 = foramen magnum

11. Facial bones
10 = sphenoid bone*
11 = zygomatic bone
12 = nasal bone
13 = maxilla
14 = lacrimal bone
15 = ethmoid bone*
16 = mandible 14 12 15 10 11 13 16
*cranial bones

12. Facial bones
11 = zygomatic bones
12 = nasal bones
13 = maxilla
16 = mandible
17 = inferior nasal conchae 12 11 11 13 13 17 17 16

13. Facial bones
13 = maxilla
13a = palatine process of maxilla
17 = palatine bones
18 = vomer 13
13a
13a 13 17 17 18

14. 5 = sphenoid bone
5a = superior orbital fissure
6a = perpendicular plate of ethmoid bone
6b = middle nasal concha of ethmoid bone 42 6a 5 5a
Parts of Facial bones
17 = inferior nasal concha
32 = mental foramen
36 = alveolar process
41 = infraorbital foramen
42 = supraorbital notch 6b 17 41 36 32

15. Parts of Facial bones
11 = zygomatic bone
11a = temporal process
of zygomatic bone
32 = mental foramen
40 = lacrimal foramen 40 11
11a 32

16. Parts of Facial bones
11 = zygomatic bone
11a = temporal process
32 = mental foramen
33 = mandibular condyle
34 = coronoid process
35 = ramus
36 = angle 11
11a 34 33 35 32 36

17. Parts of mandible
32 = mental foramen
33 = mandibular condyle
34 = coronoid process
35 = ramus
36 = angle 33 34 35 32 36

18. Fetal skull
1 = anterior fontanel
3 = sphenoid fontanel

19. 2
Fetal skull
1 = anterior fontanel
2 = posterior fontanel
3 = sphenoid fontanel
4 = mastoid fontanel

20. hyoid bone

22. Cervical Vertebrae = 7
sacrum & coccyx
Thoracic Vertebrae = 12
Lumbar Vertebrae = 5

23. Atlas, C1
Axis, C2
dens

24. Cervical vertebra 1 = Body 2 = Transverse Processes 3 = Pedicles
4 = Lamina
5 = Superior Articulating Processes
5 = Spine
6 = Vertebral Foramen
7 = Transverse Foramen
Cervical vertebra

25. thoracic vertebra 9 10 1 = Body 3 = Pedicle
4 = Lamella 5 = Transverse Processes
6 = Spine 7 = Superior Articulating Processes
8 = Vertebral Foramen 9 = inferior notch
10 = inferior articulating process
thoracic vertebra

26. lumbar vertebra 8 1 = Body 2 = Pedicle
3 = Lamella 4 = superior articulating processes
5 = Transverse Processes 6 = Spine
7 = Vertebral Foramen 8 = inferior articulating process
lumbar vertebra

27. Anterior view
Posterior view
Sacrum and coccyx

28. Sternum 1 = Manubrium 2 = Body 3 = Xiphoid Process
4 = Costal Cartilage
5 = Sternal Angle
7 = Jugular notch
8 = Clavicular notch
Ribs 1-7 = True
Ribs 8-12 = False
Ribs = False Floating

29. 1 = Head
2 = Neck
3 = Tubercle
5 = Body

30. Compact Bone Model Lamella rings Osteon Central Canal
Lacuna with osteocyte
Periosteum
Perforating Canal
Endosteum
Not labelled: canaliculi