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Anatomy > Ch 7 Skull and Axial Structures > Flashcards

Ch 7 Skull and Axial Structures Flashcards

1
Q

Axial skeleton contains

A
  • Skull
  • vertebral column
  • Thoracic cage
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2
Q

cranium bones

A

calvarium
base of cranium

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3
Q

calvarium is located…

A
  • Roof of cranium
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4
Q

Base of cranium is located…

A
  • Floor of cranium
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5
Q

Bones of the calvarium

A

Parietal bone
Frontal bone
Occipital bone

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6
Q

Where on the head is the parietal bone

A

middle/side of head

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7
Q

Where on the head is the frontal bone

A

front of head

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8
Q

Where on the head is the occipital bone

A

back of head

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9
Q

Bones of the base of cranium

A

ethmoid
sphenoid
occipital
temporal
parts of frontal and parietal

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10
Q

Main sutures

A

Coronal
Sagittal
lambdoid
squamous suture

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11
Q

coronal suture is located…

A

Between frontal and parietal

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12
Q

sagittal suture location

A
  • Between parietal bones
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13
Q

Lambdoid suture location

A
  • Occipital and parietal
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14
Q
  • Squamous suture
A
  • Temporal and parietal
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15
Q

Cranial fossa features

A
  • Floor of cranial cavity w 3 cranial fossae
  • Anterior cranial fossa
  • Middle cranial fossa
  • Posterior cranial fossa
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16
Q

What is the VAN Complex

A
  • Vein
  • Artery
  • Nerve
  • Go into foramen
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17
Q

Major cavities of the skull

A

Cranial cavity
Orbit
Paranasal sinuses
Nasal cavity
Oral cavity

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18
Q

Purpose of cranial cavity

A

houses the brain

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19
Q

Purpose of the orbit

A

houses the eyes

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20
Q

name the 3 paranasal sinuses

A

Frontal sinus
Ethmoidal sinuses
Maxillary sinus

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21
Q

frontal sinus location

A

highest up sinus

22
Q
  • Ethmodial sinuses location
A
  • Middle next to eyes
23
Q
  • Maxillary sinus location
A
  • Cheek area
24
Q

How many facial bones are there

25
Sex differences in skull
- Male squared off - Women rounded
26
5 sections of the vertical column
- Cervical (C1-C7) - Thoracic (T1-T12) - Lumbar (L1-L5) - Sacrum (S1-S5) - Coccyx (Co1-Co4))
27
How many cervical spine bones
7 (C1-C7)
28
number of thoracic spine bones
12 (T1-T12)
29
number of Lumbar spine bones
5 (L1-L5)
30
Number of bones in sacrum
5 (S1-S5)
31
Number of bones in coccyx
4 (Co1-Co4)
32
4 types of spinal curvature
cervical thoracic lumbar pelvic
33
cervical curvature is called
- Lordosis
34
Thoracic curvature is called
- Kyphosis
35
Lumbar curvature is called
- Lordosis
36
Vertebral anatomy features
body vertebral arch pedicles laminae vertebral canal intervertebral foramina
37
vertebral body
- Weight bearing region, separated by intervertebral disc
38
- Vertebral arch
- Attaches to body to form vertebral foramen
39
- Pedicles
- Feet of vertebral arch
40
- Laminae
- Posterior extensions of vertebral arch
41
- Vertebral canal
- Stacked vertebral foramina - Contains spinal cord
42
- Intervertebral foramina
- Passage for spinal nerves
43
What is the atlas
First cervical vertebra C1
44
Atlas features
- Articulates with the occipital condyles of the skull - Supports the head - No body of vertebra
45
what is the axis
Second cervical vertebra C2
46
Axis features
- Dens axis (tooth of axis)
47
Atlantoaxial Joint
- the dens of axis serves as a pivot point for atlas - Permits rotation of the head
48
Thoracic cage is composed of...
- Thoracic vertebrae (posterior) - Ribs laterally - Sternum anteriorly
49
How many ribs are there
- 12 pairs
50
- True ribs
- Ribs 1-7 - Costal cartilage attach to sternum
51
- False Ribs
- Ribs 8-12 - Costal cartilage do not attach directly to sternum
52
- Floating ribs
- 11 and 12

Anatomy (19 decks)

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