Osteology of the skull Flashcards

Start on s:32

1
Q

_____ are bones that surround the brain

A

Neurocranium

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2
Q

Name the 6 neurocranium bones

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

*8 bones all together

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3
Q

Name the 8 viscerocranium bones

A
  1. Nasal (2)
  2. Lacrimal (2)
  3. Vomer (1)
  4. Inferior conchae (2)
  5. Zygomatic (2)
  6. Maxillae (2)
  7. Palatine (2)
  8. Mandible (1)

*14 bones all together

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4
Q

____ bones are the bones of the face

A

viscerocranium

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5
Q

TMJ is a _____ joint

A

condyloid

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6
Q

_____eminence is the name of the two bumps on the frontal bone (forehead)

A

frontal eminence

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7
Q

_____ eminence are the primary ossification centers on the top/side of the head

A

parietal eminence

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8
Q

_____ arch is where our eyebrows are

A

superficial ciliary arch

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9
Q

______ is the area in btw the superficial ciliary arch

A

glabella

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10
Q

*** _____ is the point at which the internasal and frontal suture meet

A

Nasion

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11
Q

***The nasion is where the _____ and ____ sutures meet

A

internasal and frontal sutures meet

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12
Q

???? anterior ______ is where the nasal bones come together above the maxilla

A

anterior nasal spine

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13
Q

_______ notch/ foramen is located right above the eye socket

A

supraorbital notch/ foramen

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14
Q

______ foramen is located underneath the eye on the maxilla

A

infraorbital foramen

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15
Q

the infraorbital foramen is located on the ____ bone

A

maxilla

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16
Q

The supraorbital foramen is located on the ____ bone

A

frontal bone

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17
Q

c.c If some one is unconcious the dr will press in this location to illiciate a response

A

supraorbital notch/foramen

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18
Q

_______ foramen is located on the zygomatic bone

A

zygomaticofacial foramen

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19
Q

_____ foramen is located on the mandible

A

mental foramen

menthol gum- chew with the mandible

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20
Q

name the 4 nerves located in the skull that are branches of the trigeminal N.

A
  1. supraorbital
  2. infraorbital
  3. zygomaticofacial
  4. mental
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21
Q

_____ bone form the sides and roof of the cranium.

A

parietal bone

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22
Q

______bones are situated at the sides and base of the skull

A

temporal bone

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23
Q

The mastoid is apart of which bone ?

A

temporal

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24
Q

_____ & ______ fissure make up the hole in the back of the eye socket

A

superior & inferior orbital fissure

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25
Q

______ is the opening of the optic canal

A

optic foramen

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26
Q

_____ suture is between the two parietal bones of the skull

A

sagittal suture

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27
Q

_____ suture connects the parietal bones with the occipital bone

A

lambdoid suture

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28
Q

_____ suture connects the occipital and mastoid process

A

occipitalmastoid suture

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29
Q

ligamentum nuchae and trapezius muscle attach to ______

A

inion

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30
Q

_____ is the most prominent projection of the occipital bone at the posterioinferior (lower rear) part of the skull.

A

inion

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31
Q

____highest point of the external occipital protuberance.

A

EOP

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32
Q

the infra-orbital foramen is located on the _____bone

A

maxilla

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33
Q

_____ foramen is located on the zygomatic

A

zygomaticofacial foramen

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34
Q

The supra-orbital foramen is located on the ____ bone

A

frontal

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35
Q

The superior and inferior orbital fissure is located on the _____ bone

A

sphenoid

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36
Q

The nasal septum is the fleshy portion that is in connect with with two bones?

A

perpendicular plate of the ethmoid

vomer

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37
Q

The alveolar processes are located on which two bone?

A

maxilla

Mandible

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38
Q

The mental protuberance is located on which bone

A

mandible

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39
Q

The supra orbital margin is made up of which bone?

A

frontal

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40
Q

the infra orbital margin is made up of what two bones

A

maxilla

zygomatic

41
Q

The middle nasal concha made from the ____ bone

A

ethmoid

42
Q

Pterion suture is made up of what 4 bones?

A

frontal
parietal
temporal
sphenoid

43
Q

Temporal fossa is located on which bones?

A

parietal and temportal bone

44
Q

Another name for the inion

A

external occipital protuberance

45
Q

External acoustic meatus opening is located on what bone?

A

temporal

46
Q

_____ lies in front of the mastoid process,

A

tympanic part of the temporal bone

47
Q

____ surrounds the external acoustic meatus.

A

tympanic part of the temporal bone

48
Q

styloid process is located on the ____ bone

A

temporal

49
Q

What two bones make up the zygomatic arch?

A

zygomatic

temporal

50
Q

What bone does the coronoid process lie on ?

A

mandible

51
Q

???______ lies anterior to the coronoid process

A

zygomatic bone

52
Q

What makes up the lateral boundary of the nose

A

frontal process ( of the maxilla)

53
Q

what makes up the lateral border of the eye orbital

A

frontal process of zygomatic bone

54
Q

What bones surround the greater wing of the sphenoid

A

frontal
parietal
temporal
zygomatic

55
Q

What to bones meet at the coronal suture

A

frontal

parietal

56
Q

What bones meet at the asterion suture

A

occipital
parietal
temporal

57
Q

______ is the point at which the coronal and sagittal sutures meet

A

bregma

58
Q

name the 4 foramen where the trigeminal nerve exits to innervate the face

A

supraorbital
infraorbital
mental
zygomaticofacial

59
Q

Which CN supplies sensory innervation to the face

A

trigeminal N.

60
Q

_____ is the highest point of the skull

A

vertex

61
Q

C.c. if there is a epidural hematoma, where would the fracture most likely be?

A

pterion

62
Q

The pterion is located over the _____ on the left side

A

brocha’s area

63
Q

c.c. patient has been hit in the head and is now experiencing motor aphasia. Where is the problem located?

A

fracture is most likely on the left side around the pterion suture

  • brocha’s area was affected
64
Q

_____ is an extra bone created by the sutures

A

wormion

  • caused by a failure of the suture to completely close
65
Q

______ runs perpendicular to the inferior/ superior nuchal line

A

external occipital protuberance

66
Q

________ is the raised area that comes off of the middle of the superior nuchal line

A

EOP (external occipital protuberance)

aka inion

67
Q

The styloid process is located on what bone?

A

temporal

68
Q

the mastoid process is located on which bone?

A

temporal

69
Q

the hypoglossal canal is located on the ___ bone

A

occipital

  • by the foramen of magnum
70
Q

the jugular foramen borders are made up of the ___ & ____ bone

A

temporal & occipital

71
Q

flat inside area of the occipital is called the basilar part of the occipital bone… what is another name for it?

A

clivus

  • shallow depression behind the dorsum sellae
72
Q

The dorsum sellae is located on the ____bone

A

sphenoid

  • has a tubercle on each side
73
Q

_____ articulates with the superior facet of C1

A

occipital condyles

74
Q

What is the primary movement done on the occipital condyle?

A

knodding

75
Q

_____ foramen is located behind the carotid canal

A

jugular foramen

76
Q

The jugular foramen is formed by the _____ bone

A

petrous portion of the temporal bone

77
Q

What nerves run through the jugular foramen?

A

CN 9, 10, 11

- glossopharyngeal, vagus, accessory

78
Q

Vein that travels through the jugular foramen

A

internal jugular vein

79
Q

Where is the carotid canal located?

A

petrous portion of the temporal bone

80
Q

What passes through the carotid canal?

A

internal carotid art.

81
Q

What is the internal opening of the carotid canal?

A

foramen lacerum

82
Q

the foramen lacerum is the internal opening for what canal?

A

carotid canal

83
Q

foramen _____ is located lat. to the foramen ovale on the sphenoid bone

A

foramen spinosum

(foramen ovali and spinosum both begin with “foramen” - & both located on the sphenoid bone)
- ovali is a bigger hole of the two

84
Q

The foramen ovale is located on what bone?

A

sphenoid bone

85
Q

What does the horizontal plate make up?

A

palatine

86
Q

______ makes up the hard palate

A

horizontal plate

87
Q

________: thickened ridge of bone that contains the tooth sockets on bones that bear teeth.

A

alveolar process

88
Q

What three sutures make up the cruciform suture ?

A
  1. interpalatine (back one)
  2. palatine maxillary (btw max. and pal.)
  3. Intermaxillary (front)
89
Q

the choana is the ____

A

post. nasal aperture

90
Q

choana (post. nasal aperature) is made of the ____ bone

A

palatine

91
Q

The manbibular fossa (and articulatine) is located on what bone?

A

temporal

92
Q

What is the articulation that creates the TMJ joint ?

A

mandbular fossa on the temporal bone

93
Q

____ is the termination of the facial canal and transmits the facial N.

A

stylomastoid foramen

  • btw the styloid and mastoid process
94
Q

cc: The mastoid process is not developed in a baby. When the baby cries there is asymetry. What nerve is most likely damaged?

A

facial N

95
Q

_____ is the hardest portion of the temporal bone

A

petrous portion

96
Q

What 6 structures pass through the foramen magnum

A
  1. vertebral art
  2. SC
  3. assessory N (CN11)
  4. tectoral lig
  5. dura mater
  6. medulla oblongata
97
Q

9 bones that make up the nasal cavity

A
ethmoid *
frontal * 
inferior nasal concha
lacrimoid * 
maxilla * 
nasal 
palatine * 
sphenoid * 
vomer
98
Q

7 bones that make up the eye orbital

A
ethmoid * 
frontal 
lacrimoid * 
maxilla * 
palatine * 
sphenoid * 
zygomatic