The Skull

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created 1 year ago by Kelsey_Parker
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1
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identify this.

what nerve passes through here?

infraorbital nerve (small sensory branch of V2, maxillary division of trigeminal nerve)

2

which foramen are associated with the sphenoid bone?

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ovale, spinosum, rotundum, optic canal and superior orbital fissure

3

What is the mneumonic to remember cranial nerves?

Oh! Oh! Oh! to touch and feel very good velvet. Ah, heavenly.

4

name the bones of the bony orbit

(7)

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frontal, lacrimal, ethmoid, zygomatic, maxilla, palatine, sphenoid

know lacrimal groove

5

what is the mneumonic to help with remembering if cranial nerves are sensory, motor or both?

some say money matters but my brother says big brains matter most

6

name the twelve cranial nerves along with each type (sensory, motor or both)

olfactory sensory

optic sensory

oculomotor motor

trochlear motor

trigeminal both

v1 opthalmic sensory

v2 maxillary sensory

v3 mandibular both

abducens motor

facial both

vestibulocochlear sensory

glossopharyngeal both

vagus both

accessory motor

hypoglossal motor

7

name each cranial nerve and the foramen through which it enters the skull

olfactory cribiform foramina in cribiform plate

optic optic canal (foramen)

oculomotor superior orbital fissure

trochlear superior orbital fissure

trigeminal jugular foramen

v1 opthalmic superior orbital fissure

v2 maxillary foramen rotundum

v3 mandibular foramen ovale

abducens superior orbital fissure

facial internal acoustic meatus, through facial canal, exists at stylomastoid foramen

vestibulocochlear internal acoustic meatus

glossopharyngeal jugular foramen

vagus jugular foramen

accessory jugular foramen

hypoglossal hypoglossal canal

8
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What goes through these holes?

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olfactory nerve; cribiform foramina

9
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what is this? what passes through here?

(two things)

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optic canal/foramen; optic nerve and opthalmic artery

10
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what is this? what passes through here?

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optic canal; optic nerve and opthalmic artery

11
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what is the blank? which nerves pass through here? which vein passes through here?

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superior orbital fissure; oculomotor, trochlear, opthalmic division of the trigeminal nerve, and abducens nerve

opthalmic vein

12
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what is the blank? which nerves pass through here? which vein passes through here?

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superior orbital fissure; oculomotor, trochlear, opthalmic division of the trigeminal nerve, and abducens nerve

opthlamic vein

13
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what is this? what nervepasses here?

foramen rotundum; maxillary division of trigeminal nerve

14
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label these

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15
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label this

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16
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label this

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17
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what is this? which nerves pass through here?

foramen ovale; mandibular division of the trigeminal nerve

18
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what is this? which nerves pass through here?

foramen ovale; mandibular division of the trigeminal nerve

19
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what is this? which nerve passes here?

internal acoustic meatus; facial nerve (VII) and vestibulocochlear nerve (VIII)

20
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what is this? what nerve passes through here?

stylomastoid foramen; facial nerve

21
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what is this? what nerves passes through here?

jugular foramen; glossopharyngeal (IX), vagus (X), accessory (XI)

22
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what is this? what passes through here?

jugular foramen; glossopharyngeal (IX), vagus (X), accessory (XI) and internal jugular vein

23
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what is this? what nerves passes through here?

hypoglossal canal; hypoglossal nerve (XII)

24
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what is this? what nerves passes through here?

hypoglossal canal; hypoglossal nerve (XII)

25
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what is this? what passes through here?

middle meningeal artery; foramen spinosum

26
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what is this? what passes through here?

middle meningeal artery; foramen spinosum

27
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what is this? what passes through here?

foramen lacerum; nothing, it is filled with cartilage after birth

28
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what is this? what passes through here?

foramen lacerum; nothing it is filled with cartilage after birth

29
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what is this? what passes through here?

foramen magnum; vertebral arteries and spinal cord

30
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what is this? what passes through here?

foramen magnum; vertebral arteries and spinal cord

31
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what is this? what passes through here?

carotid canal; internal carotid artery

32
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what is this? what passes through here?

carotid canal; internal carotid artery

33

how many bones make up the skull? How many form the braincase and how many form the face?

22; braincase 8 14 face

34

what are the seven associated bones of the skull>

six are auditory ossicles enclosed in the temporal bones and one is the hyoid bone

35

what eight bones make up the cranium?

occipital bone, parietal bone, frontal bone, right and left temporal bones, sphenoid, and ethmoid

36

what 14 bones make up the face?

2 maxillae, 2 palatine bones, 2 nasal bones, 2 inferior nasal conchae, 2 zygomatic bones, 2 lacrimal bones, vomer, and mandible

37

which suture is found between the two parietal bones and the occipital bone

lambdoidal sture

38
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what is this?

lambdoidal suture

39

which suture is located along the midsagittal plane?

sagittal suture

40
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what is this?

sagittal suture

41

which nerve provides sensation for forehead?

supraorbital nerve from opthalmic branch of trigeminal nerve

42
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what bone is this?

frontal bone

43

which bone forms root/superior aspect of bony orbit?

frontal bone

44
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what is this?

superciliary arch (of the frontal bone)

45
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what is this?

supraorbital notch/foramen

46

which muscle originates on superior and inferior temporal lines?

temporalis muscle

47
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what are these?

superior and inferior temporal line

48
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what is this?

parietal bone

49
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what is this?

parietal bone

50

____________ are two bones in the human skull which, when joined together at a fibrous joint, form the sides and roof of the cranium.

parietal bones

51
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what is this?

occipital bone

52
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what is this?

occipital bone

53

the ______ articulate with the _______ to perform the nodding motion of the head

occipital condyles; C1

54

which muscle originates on the external occipital protuberance?

trapezius

55

vertebral arteries pass through the ________ to form the posterior circulation of the brain

transverse foramen

56

What forms the skull to jaw joint?

say features and bones

mandibular fossa of the temporal bone and condylar process of the mandible

57
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label the greys

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58
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59

what forms the zygomatic process? which part is most anterior?

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the zygomatic process of the temporal bone and temporal process of zygomatic bone; temporal process of zygomatic bone

60
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label the greys

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61
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label the greys

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62

what are the paired and unpaired bones of the cranium?

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unpaired: frontal, occipital, sphenoid, ethmoid

paired: temporal, parietal

63

what composes the calvaria?

frontal bone, parietal bones, occipital bone

64

what are the four major sutures of the skull?

coronal, squamosal, lambdoidal, and sagittal

65

what type of joint is found between bones of the skull?

fibrous joints - sutures

66
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which suture is in red?

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coronal suture

67
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which suture is in red?

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squamosal suture

68

what forms the ptergoid process?

the lateral and medial plates of the sphenoid bone

69

in which part of the temporal bone are structures of hearing found?

petrous part

70

what sits in the sella turcica? in which bone is the sella turcica found?

the ptuitary gland; sphenoid bone

71
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label the greys

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72
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label the foramen and what passes through them

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73
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label the structures

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74
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label foramen and list what passes through

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75
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label

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76
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label

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77

which foramen are associated with the sphenoid bone?

ovale, spinosum, rotundum,

78

which parts of the brain sit in the middle cranial fossa?

left and right temporal lobes

79

what part of the brain is found in the anterior cranial fossa?

frontal lobe

80

what parts of the brain are found in the posterior cranial fossa?

cerebellum and brainstem

81

which foramen are associated with the ethmoid bone?

the cribiform foramina the ethmoid bone

82
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label

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83

perpendicular plate participates in the formation of _________

the nasal septum

84

what bones form the anterior cranial fossa?

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mostly frontal bone, some ethmoid and the lesser wing of sphenoid

85

what bones form the middle cranial fossa?

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greater wing of sphenoid bone, parietal bone, and half of temporal bone

86

what bones form the posterior cranial fossa?

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occipital bone, half of temporal bone, and some parietal

87

what are the paired and unpaired bones of the face?

paired:

nasal

maxillae

lacrimal

zygomatic

palatine

inferior nasal concha

UNPAIRED:

vomer

mandible

88
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what is this?

maxillary bones

89
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label features of the maxillary bones

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90

what passes through the infraorbital foramen?

infraorbital nerve (small sensory branch of V2, maxillary division of trigeminal nerve)

infraorbital artery

infraorbital vein

91

what forms the hard palate?

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palatine process of the maxilla and horizontal plates of the palatine bones

92
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93
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what is the bone in green?

nasal bone

94
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label

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95

name the bones of the bony orbit

frontal, lacrimal, ethmoid, zygomatic, maxilla, palatine, sphenoid

96
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label bones of bony orbit

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97
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what is this bone?

zygomatic

98
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what is this area called? which muscle sits here?

temporal fossa; temporalis muscle

99

what area is inferior and deep to zygomatic arch? many arteries and nerves pass through here

infratemporal fossa

100
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what is this bone? which gland is found superior and lateral?

lacrimal bone; lacrimal gland

101

which bones form outer rim, lateral to medial of the bony orbit? which bones form inner part of bony orbit?

front, zygomatic, maxillary, sphenoid

ethmoid lacrimal palatine

102

which bone forms inferior portion of the nasal septum?

vomer

103
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name this bone

vomer

104
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name this bone

vomer

105

what is the nasal septum composed of?

perpendicular plate of the ethmoid bone, vomer bone, and septal cartilage

106
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label

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107

what passes through the mental foramen?

mental nerve, division of V3 (mandibular division) of trigeminal nerve

108

where is the genoid tubercle? what is on the genoid tubercle?

on the inner side of the mandible, behind mental protuberance. muscles of the tongue insert here.

109

which nerve supplies lower teeth with sensation?

inferior alveolar nerve, division of mandibular nerve (v3)

110
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what is this?

mandibular foramen

111

describe pathway of inferior alveolar nerve

branches from the mandibular nerve and runs through mandibular foramen. exits through mental foramen as mental nerve

112

soft fibrous areas where several sutures unite

fontanelles

113

name the four fontanelles of the infant

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anterior fontanelle

posterior fontanelle

mastoid fontanelle (2)

sphenoid fontanelle (2)

114
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label

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115

which foramen are located on the sphenoid?

superior orbital fissure

optic canal

rotundum

ovale

spinosum

116

on which bone is foramen lacerum located?

between the sphenoid, temporal and occipital bones

117

what forms the superior portion of the nasal septum?

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perpendicular plate of the ethmoid bone

118
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what is highlighted in red?

alveolar processes

119

what does mental nerve supply with sensation?

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front of chin and lower lip

120

which holes are associated with temporal bone?

external acoustic meatus, carotid canal, and stylomastoid foramen

121
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identify

glabella

122
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identify

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123
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articular tubercle

124
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identify

frontal process of zygomatic bone

125
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identify blacked out structures

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126
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127
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