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.

A

temporal

24
Q

Identify this structure of the frontal bone.

A

parietal margin

25
Q

Identify this structure of the frontal bone.

A

the supraorbital ridge

26
Q

Identify this structure of the frontal bone.

A

supraorbital foramen

27
Q

Identify this structure of the frontal bone.

A

supraorbital margin

28
Q

What is this variation of the supraorbital foramen called?

A

supraorbital notch

29
Q

What is this pokey bit in the back called?

A

the external occipital protuberance

30
Q

What is the circled part of the partietal lobe called?

A

the sphenoidal angle

31
Q

What is this margin of the parietal lobe called? What is peculiar about it?

A

the temporal margin; it is bevelled

32
Q

What are these lines on the occipital bone called?

A

superior and inferior nuchal lines

33
Q

What is this structure of the occipital bone called?

A

the foramen magnum; the spinal cord travels through it

34
Q

What is this whole area of the occipital bone called?

A

basioccipital

35
Q

What are the two upper areas circled called?

A

occipital condyles

36
Q

What is the Harper Fragment?

A

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
Q

What is this structure of the temporal bone called?

A

the mastoid process

38
Q

What is this structure of the temporal bone called?

A

the external auditory meatus (EAM)

39
Q

What is this structure of the temporal bone called?

A

the zygomatic process

40
Q

What is this structure of the temporal bone called?

A

the temporomandibular fossa

41
Q

What is this structure of the temporal bone called?

A

the petrous portion

42
Q

What is this structure of the temporal bone called?

A

the internal auditory meatus

43
Q

What is this structure of the temporal bone called?

A

the squamous portion

44
Q

What are these structures called?

A

processes of the zygomatic bone

45
Q

What is this margin of the zygomatic bone called?

A

the orbital margin

46
Q

What is this structure of the maxilla called?

A

the frontal process

47
Q

What is this structure of the maxilla called?

A

the nasal spine

48
Q

What is this structure of the maxilla called?

A

the nasal sinus

49
Q

What is this structure of the maxilla called?

A

the alveolar process

50
Q

What is the name of this bone?

A

the nasal bone

51
Q

What is the name of this bone?

A

the conchae

52
Q

What is the name of this bone?

A

the lacrimal bone

53
Q

What is the name of this bone?

A

sphenoid

54
Q

What are the names of the ear ossicles?

A

malleus, incus, and stapes

55
Q

What are the structures of the hyoid bone?

A

greater horn, lesser horn, and body