LAB 15: Axial Skeletonwebsites.rcc.edu/.../files/2020/04/Axial_Skeleton_Lab.pdf ·  ·...

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LAB 15: Axial Skeleton Complete lab 15 in your lab book using the slides on the following pages Use your textbook and these slides to identify the axial bones and their features (landmarks). A key to the bone features numbered in this supplement is located at the end of the document. Answer the questions at the end of each lab section. Note : Not all features are listed in this document. Refer to Lab 15 in your laboratory manual for a full list.

Transcript of LAB 15: Axial Skeletonwebsites.rcc.edu/.../files/2020/04/Axial_Skeleton_Lab.pdf ·  ·...

LAB 15: Axial Skeleton

• Complete lab 15 in your lab book using the slides on the following pages

• Use your textbook and these slides to identify the axial bones and their features (landmarks).

• A key to the bone features numbered in this supplement is located at the end of the document.

• Answer the questions at the end of each lab section.

Note: Not all features are listed in this document. Refer to Lab 15 in your laboratory manual for a full list.

Frontal & Zygomatic Bones

1

2

3

4

5

Inferior Nasal Concha

Temporal Bone

6

7 9

8

10

11

12

Parietal & Occipital Bones

13

14

15

17

16

Articulated & Disarticulated Ethmoid Bone

18

Lateral Aspect Superior Aspect

Anterior Aspect

19

21

20

Nasal, Vomer & Lacrimal Bones

Maxilla (highlighted green) & Palatine Bones

24

22

23

Posterior AspectPalatine Bone

Articulated and Disarticulated Mandible Bone

27

25

26

Articulated Sphenoid Bone

Disarticulated Sphenoid Bone

Anterior Aspect Posterior Aspect

Superior Aspect

3528

29

32

30

31

34

Foramen of Inferior Skull(mandible bone removed)

43

36

3738

39

4041

42

Foramen of Superior Skull(frontal and parietal bones removed)

44

45

4647

48

49

50

Atlas (C1), Axis (C2) & General Anatomy of Vertebra

Superior Aspect of Atlas

Superior Aspect of AxisGeneral Vertebral Anatomy

51

595253

54

55

56

57

58

Vertebrae

Thoracic Vertebra

Cervical Vertebra

Lumbar Vertebra

64

60

61

62

63

Rib & Articulation of Ribs/Vertebrae

67

6566

Sacrum & Coccyx

74

68

69

70

71

Coccyx

72

73

Sternum

81

75 76

77

78

79 80

Axial Skeleton Features/Landmarks

1 supraorbital foramen 28 medial pterygoid process 55 posterior arch

2 infraorbital foramen 29 greater wing 56 anterior arch

3 mental foramen 30 optic canal 57 transverse process

4 alveolar process 31 hypophyseal fossa of sella turcica 58 odontoid process (dens)

5 superior orbital fissure 32 anterior clinoid process 59 transverse process

6 coronal suture 33 lesser wing 60 inferior costal facet (demifacet)

7 squamous suture 34 posterior clinoid process 61 superior costa facet (demifacet)

8 mastoid process 35 lateral pterygoid process 62 transverse costal facet

9 lacrimal fossa 36 external acoustic meatus 63 inferior articular facet

10 zygomatic process of temporal bone 37 stylomastoid foramen (not in image) 64 transverse foramen (cervical only)

11 occipital condyle 38 foramen spinosum 65 costal groove

12 mandibular fossa 39 foramen ovale 66 tubercle of rib

13 lambdoid suture 40 foramen lacerum 67 sternal end

14 sagittal suture 41 carotid canal 68 sacral canal

15 external acoustic meatus 42 jugular foramen 69 sacral hiatus

16 temporal process of zygomatic bone 43 foramen magnum 70 superior articular facet

17 styloid process 44 optic canal 71 sacral promontory

18 perpendicular plate 45 foramen rotundum 72 ala

19 crista galli 46 foramen lacerum 73 sacral foramina

20 middle nasal concha 47 foramen ovale 74 articular fossa for ilium

21 cribriform plate 48 foramen spinosum 75 interclavicular (jugular) notch

22 palatine process of maxilla 49 jugular foramen 76 sternal angle

23 external occipital protuberance 50 internal acoustic meatus 77 costal facet

24 horizontal plate 51 body 78 xiphoid process

25 mandibular condyle 52 vertebral foramen (spinal canal) 79 manubrium

26 mandibular foramen 53 superior articular facet 80 gladiolus

27 coronoid process 54 spinous process 81 clavicular notch

Note: Not all features are listed in this document. Refer to Lab 15 in ‘Investigations in BIO50A Anatomy and Physiology I’ laboratory manual for a complete list.