Structure of the Skull Flashcards

1
Q

Identify the area of the skull highlighted in blue.

A

the cranium

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2
Q

Identify the area of the skull highlighted in blue.

A

the face (splanchnocranium)

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3
Q

Identify the area of the skull highlighted in blue.

A

the mandible

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4
Q

Identify the area of the skull highlighted in blue.

A

the neurocranium

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5
Q

What two structures make up the neurocranium?

A

the calvaria (superior) and cranial base (inferior)

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6
Q

Identify the area of the skull highlighted in blue.

A

the viscerocranium

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7
Q

What are these types of joints called?

A

skull sutures

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8
Q

What are these types of joints called?

A

gomphosis

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9
Q

Identify the red suture.

A

the coronal suture

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10
Q

Identify the blue suture.

A

the metopic suture

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11
Q

Identify the green suture.

A

the saggital suture

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12
Q

Identify the orange suture.

A

the lambdoidal suture

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13
Q

What are the highlighted structures called?

A

Wormian bones or ossicles

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14
Q

Identify the yellow suture.

A

the squamosis suture

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15
Q

Identify the suture circled in green.

A

the basilar suture

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16
Q

What is the term for when a skull suture fuses prematurely?

A

craniosynostosis

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17
Q

Identify this bone.

A

frontal bone

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18
Q

Identify this bone.

A

zygomatic bone

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19
Q

Identify this bone.

A

maxilla

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20
Q

Identify this bone.

A

mandible

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21
Q

Identify this bone.

A

parietal

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22
Q

Identify this bone.

A

occipital

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23
Q

Identify this bone.

24
Q

Identify this structure of the frontal bone.

A

parietal margin

25
Identify this structure of the frontal bone.
the supraorbital ridge
26
Identify this structure of the frontal bone.
supraorbital foramen
27
Identify this structure of the frontal bone.
supraorbital margin
28
What is this variation of the supraorbital foramen called?
supraorbital notch
29
What is this pokey bit in the back called?
the external occipital protuberance
30
What is the circled part of the partietal lobe called?
the sphenoidal angle
31
What is this margin of the parietal lobe called? What is peculiar about it?
the temporal margin; it is bevelled
32
What are these lines on the occipital bone called?
superior and inferior nuchal lines
33
What is this structure of the occipital bone called?
the foramen magnum; the spinal cord travels through it
34
What is this whole area of the occipital bone called?
basioccipital
35
What are the two upper areas circled called?
occipital condyles
36
What is the Harper Fragment?
Originally misidentified as a piece of occipital bone, the Harper fragment was a piece of JFK's parietal bone that proved he was shot from behind. It was identified by Larry Angel.
37
What is this structure of the temporal bone called?
the mastoid process
38
What is this structure of the temporal bone called?
the external auditory meatus (EAM)
39
What is this structure of the temporal bone called?
the zygomatic process
40
What is this structure of the temporal bone called?
the temporomandibular fossa
41
What is this structure of the temporal bone called?
the petrous portion
42
What is this structure of the temporal bone called?
the internal auditory meatus
43
What is this structure of the temporal bone called?
the squamous portion
44
What are these structures called?
processes of the zygomatic bone
45
What is this margin of the zygomatic bone called?
the orbital margin
46
What is this structure of the maxilla called?
the frontal process
47
What is this structure of the maxilla called?
the nasal spine
48
What is this structure of the maxilla called?
the nasal sinus
49
What is this structure of the maxilla called?
the alveolar process
50
What is the name of this bone?
the nasal bone
51
What is the name of this bone?
the conchae
52
What is the name of this bone?
the lacrimal bone
53
What is the name of this bone?
sphenoid
54
What are the names of the ear ossicles?
malleus, incus, and stapes
55
What are the structures of the hyoid bone?
greater horn, lesser horn, and body