skeletal system axial skeleton anatomy. the skull 8 cranial bones: occipital, parietal, frontal,...

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Skeletal System Axial Skeleton Anatomy

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Page 1: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Skeletal System

Axial Skeleton Anatomy

Page 2: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones
Page 3: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

The skull8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid14 facial bones

Page 4: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Sphenoid bone: keystone bone because it touches all other cranial bonesSella turcica – holds the pituitary glandEthomoidCristal galli and cribriform plates hold the olfactory bulb (nerves)

Page 5: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Figure 6.12c

Sinuses: Special openings that lighten the skull, warm and moisten air

Page 6: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones
Page 7: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Hyoid bone – only bone that doesn’t articulate with another boneAnchors the tongue.

Page 8: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

7

12

5

Page 9: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Bone Markings of Vertebra

Page 10: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Atlas and Axis (C1 and C2)

Page 11: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones
Page 12: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Sacrum and Coccyx – fused vertebra

Page 13: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Ribs (12 pair)True (7) connect directly to sternum via coastal cartilageFalse (3) connect indirectlyFloating (2) don’t connect

Page 14: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Axial Practice QuizAnterior View

Any number with an *, name the Bone marking.For all numbers, namethe bone.

1

2*

3

4

5*

6

7*

8

Page 15: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Lateral view of skull

1*

2*3*

4*

5*

67*

8

9

10

11

12*

13

Page 16: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Medial view of skull

1*

2

3

4

5*

6

Page 17: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Superior View of Skull after transverse cut.

1*

2*

3

4*

5*

6*

Page 18: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Inferior view of skull

1

2*

3*

4

5*

6*

7

8

Page 19: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

1*

2*

3

4*

5

6

7*

Page 20: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

Name the bones of the vertebral column and give the number of vertebra for each category.

Page 21: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

1

2 3

45*

Page 22: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

1

2*

3*

4*

7*

8*

9*10

Page 23: Skeletal System Axial Skeleton Anatomy. The skull 8 cranial bones: occipital, parietal, frontal, temporal, sphenoid, ethmoid 14 facial bones

1*

2*

3

4*

5*

6*

7

8*

9*

10*