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anat 316 > the skull > Flashcards

the skull Flashcards

(75 cards)

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1
Q

What is purpose of neurocranium

A

surrounds and protects the brain AND articulate with vertebral column

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2
Q

What is the purpose of the viscerocranium

A

make up facial skeleton, support and protect entrance to respiratory and digestive tracts

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3
Q

the frontal bone belongs to which cranium

A

neurocranium

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4
Q

the parietal bones belong to which cranium

A

neurocranium

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5
Q

the occipital bone belong to which cranium

A

neurocranium

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6
Q

the temporal bones belong to which cranium?

A

neurocranium

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7
Q

the ethmoid bone belongs to which cranium?

A

neurocranium

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8
Q

the sphenoid bone belongs to which cranium

A

neurocranium

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9
Q

which bones are in the neuroranium?

A

frontal, parietal, temporal, occipital, sphenoid, ethmoid

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10
Q

the maxillae belongs to which cranium

A

viscerocranium

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11
Q

the palatine bones belong to which cranium

A

viscerocranium

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12
Q

the nasal bones belong to which cranium

A

viscerocranium

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13
Q

the inferior nasal conchae belong to which cranium

A

viscerocranium

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14
Q

the zygomatic bones belong to which cranium

A

viscerocranium

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15
Q

the lacrimal bones belong to which cranium

A

viscerocranium

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16
Q

the vomer belongs to which cranium

A

viscerocranium

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17
Q

the mandible belongs to which cranium

A

viscerocranium

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18
Q

what bones are part of viscerocranium

A

maxillae, palatine, nasal, inf nasal, zygomatic, lacrimal, vomer, mandible (PMINZ MVL)

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19
Q

what does the frontal bone do?

A

make up forehead and a portion of the eye orbit

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20
Q

what does sphenoid bone do?

A

extend from one side of the brain to the other - forms part of eye orbit and base of skull

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21
Q

what do the temporal bones do?

A

make up temples/side of skull

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22
Q

what does ethmoid bone do?

A

contributes to nasal cavity and eye orbit

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23
Q

what do parietal bones do?

A

make up sides of the top of the head

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24
Q

what are the accessories of the temporal bone?

A

mastoid process, styloid process, zygomatic process

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25
what is the external acoustic meatus for?
The external acoustic meatus is part of the temporal bone - it is the entrance to the ear canal
26
where is the mastoid process of the temporal bone?
Behind and below the ears
27
which features of the temporal bone are important for muscle attachment
mastoid process and styloid process
28
what does the zygomatic process of the temporal bone make up?
cheek bones
29
on what bone can you find the mandibular fossa?
on the temporal bone
30
what does the manibular fossa do?
articulates with mandible
31
what does occipital bone do
makes up base of skull, articulates with vertebral column
32
what is the foramen magnum
feature of occipital bone - allows for passage of spinal cord
33
what is the occipital condyle
feature of occipital bone - articulates with C1 (atlas)
34
what are the 3 features of the ethmoid bone?
crista galli (+cribiform plate), superior nasal concha, middle nasal concha
35
what is the crista galli of the ethmoid bone?
perpendicular projection of the ethmoid bone - acts as anchoring point for membranes surrounding the brain
36
what does the cribiform plate of the ethmoid allow?
it allows for branches of CN1 to pass through
37
what is pterygoid processses
feature of sphenoid bone - act as an attachment point of muscles of mastification
38
what is sella turcica?
feature of sphenoid bone - this is depression where pituitary gland sits
39
what are the 7 foramina of the sphenoid bone?
inferior orbital fissure, optic canal, superior orbital fissure, foramen spinosum, foramen rotundum, foramen ovale, foramen lacerum,
40
what does optic canal of sphenoid bone allow for?
Passage of CN2 - optic nerve
41
what does superior oribital fissure allow for?
passage of CN3,CN4,CN5(1),CN6
42
what does foramen rotundum of sphenoid bone allow for?
passage of CN5(2)
43
what does foramen ovale of spehnoid bone do?
passage of CN5(3)
44
what are the 3 foramina of the temporal bone?
carotid canal and extrernal/internal acoustic meatus and jugalar foramen (this one is both temporal and occipital)
45
what does the carotid canal of the temporal bone allow for?
passage of the internal carotid artery
46
what does the internal acoustic meatus of the temporal bone allow for?
passage of CN8
47
what are the 2 features of the occipital bone?
occipital condyles and the foramen magnum
48
what does jugular foramen allow for?
passage of CN 9,10,11
49
what does hypoglossal foramen allow for?
passage of CN 12
50
what does the coronal suture seperate?
frontal bone and parietal bone
51
what does lambdoid suture seperate?
parietal bone and occipital bone
52
what does squamous suture seperate?
temporal bone and parietal bone
53
what does saggital suture seperate?
parietal bone and parietal bone
54
what are sutures?
fibrous immovable joints btw skull bones
55
what does the anterior cranial fossa hold?
frontal lobe of the brain
56
what does the middle cranial fossa hold
temporal lobes of the brain
57
what does the posterior cranial fossa hold
cerebellum of the brain
58
what bones make up anterior cranial fossa?
frontal, ethmoid, sphenoid
59
what bones make up middle cranial fossa?
sphenoid and temporal bones
60
the nasal bones belong to which cranium?
viscerocranium
61
the maxillae belong to which cranium
viscerocranium
62
the zygomatic bones belong to which cranium
viscerocranium
63
the inferior nasal conchae belong to which cranium
viscerocranium
64
the lacrimal bones belong to which cranium
viscerocranium
65
the palatine bones belong to which cranium
viscerocranium
66
the vomer belongs to which cranium?
viscerocranium
67
the mandible belongs to which cranium
viscerocranium
68
what does the maxilla make up
the two bones of the maxilla make up the upper jaw
69
what do the zygomatic bones articulate with?
the zygomatic process of the temporal bones
70
what do the lacrimal bones make up?
medial eye orbit
71
what does the condyler process of the mandible articulate with
the skull
72
what is the temporomandibular joint?
the temperomandibular joint is the only movable joint of the skull - it is an articulation between the condyler process of the mandible and the mandibular fossa of the temporal bone
73
what does the maxillae make up?
the roof of the mouth (hard palate)
74
what are the ossicles?
small bones involved in hearing - houses in temporal bone. Include the malleus, the incus, and the stapes
75
what is the hyoid bone?
floating bone in neck important for tongue and swallowing muscle attachment

anat 316 (22 decks)

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