Skull Bones/Joints Flashcards

1
Q

How many bones are in the skull?

A

22 flattened and irregular bones

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2
Q

What are the two parts of the skull?

A
  1. cranium
  2. facial skeleton
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3
Q

What are the 6 major skull bones?

A
  1. frontal
  2. parietal
  3. occipital
  4. temporal
  5. sphenoid
  6. ethmoid
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4
Q

What bone articulates with the parietal, zygomatic, and nasal bones?

A

Frontal

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5
Q

What bone forms the superior of surface of the eye socket?

A

Frontal

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6
Q

What bones does the frontal bone articulate with?

A

parietal
zygomatic
nasal

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7
Q

This bone articulates with the frontal bone, temporal, and occipital

A

parietal

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8
Q

what are the paired skull bones?

A

parietal and temporal

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9
Q

This bone articulates with the temporal, parietal, and atlas of vertebral column

A

occipital

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10
Q

what bone has the opening for the spinal cord and medulla oblongata?

A

occipital

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11
Q

What are the 5 parts of the temporal bone?

A
  1. squamous
  2. 3 processes
  3. external auditory meatus
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12
Q

What are the three processes that are a part of the temporal bones?

A
  1. styloid process
  2. mastoid process
  3. zygomatic process
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13
Q

the external auditory meatus (EAM) is the entrance to what?

A

ear canal

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14
Q

What bone is a perpendicular plate?

A

ethmoid bone

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15
Q

What bone divides the nasal cavity into left and right sides?

A

ethmoid bone

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16
Q

What bone serves as an attachment point for muscles of the soft palate and muscle of the jaw?

A

sphenoid bone

17
Q

What are the 5 fibrous joints/sutures of the skull?

A
  1. coronal
  2. sagittal
  3. lambdoidal
  4. squamous (2)
18
Q

What suture is the major joint between the frontal and parietal bones?

A

coronal suture

19
Q

What suture is fibrous connective tissue between the two parietal joints of the skull?

A

sagittal suture

20
Q

what suture is the borderline between the occipital and parietal cranial bones?

A

lambdoidal suture

21
Q

What suture is seen at the border between the parietal and temporal bones?

A

squamous suture