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Skull Flashcards

1
Q

Skull anatomy is comprised of - bones that are divided into 2 groups

A

22 Cranial 8 Facial 14

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2
Q

Calvaria bones

A

Frontal Occipital r parietal l parietal

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3
Q

Floor bones

A

Ethmoid Sphenoid R. temporal L. temporal

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4
Q

Cranial bones are divided into

A

calvania and floor

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5
Q

A

A

A. Parietal bone

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6
Q

B

A

Glabella

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7
Q

C

A

Greater wing of the sphenoid

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8
Q

D

A

Nasal bone

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9
Q

E

A

Temporal bone

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10
Q

F

A

Zygomatic bone

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11
Q

G

A

Perpendicular plate of the ethmoid

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12
Q

H

A

Vomer

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13
Q

I

A

Maxilla

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14
Q

J

A

Frontal bone

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15
Q

K

A

Sphenoid bone

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16
Q

L

A

Lacrimal Bone

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17
Q

M

A

Ethmoid bone

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18
Q

N

A

Middle nasal concha

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19
Q

O

A

Infraorbital foramen

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20
Q

P

A

Inferior nasal concha

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21
Q

Q

A

Anterior nasal spine

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22
Q

R

A

Mandible

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23
Q

A

A

Frontal bone

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24
Q

B

A

Sphenoid bone

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25
Q

C

A

Glabella

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26
Q

D

A

Nasal bone

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27
Q

E

A

Lacrimal bone

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28
Q

F

A

Ethmoid bone

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29
Q

G

A

Anterior Nasal spine (Acanthion)

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30
Q

H

A

Zygomatic bone / Zygoma

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31
Q

J

A

Maxilla

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32
Q

K

A

Mental Foramen

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33
Q

L

A

Mandible

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34
Q

M

A

Bregma

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35
Q

N

A

Coronal suture

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36
Q

O

A

Parietal bone

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37
Q

P

A

Squamosal suture

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38
Q

Q

A

Lambda

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39
Q

R

A

Lambdoidal suture

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40
Q

S

A

occipital bone

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41
Q

T

A

External occipital protuberance / inion

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42
Q

U

A

Mastoid process

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43
Q

V

A

Temporal bone

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44
Q

W

A

External acoustic meatus

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45
Q

X

A

Styloid process

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46
Q

A

A

Frontal bone

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47
Q

Floor 3 regions

A

Anterior Cranial Fossa

Middle Cranial Fossa

Posterior Cranial Fossa

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48
Q

Anterior cranial fossa houses

A

frontal lobes of cerebrum

goes from anterior frontal bone to lesser wings sphenoid

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49
Q

Middle cranial fossa houses

A

temporal lobes

goes from lesser wings of sphenoid to apices of petrous ridges

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50
Q

Posterior cranial fossa is

A

deep depression post to petrous ridges

protects cerebellum, pons and medulla oblongata

51
Q

OML

A

orbitomeatal line

from outer canthus to EAM

52
Q

IOML

A

Infraorbitomeatal line

Infraorbitorbital margin to EAM

53
Q

GML

A

Glabellameatal line

from glabella to EAM

54
Q

IPL

A

Interpupillary line

perp line between pupils of eyes

55
Q

AML

A

Acanthiomeatal line

from acanthion to EAM

56
Q

MML

A

Mentomeatal line

from mental point (center of chin) to EAM

57
Q

There is a - degree between the OML and IOML

58
Q

Mesocephalic Skull

A

petrous pyramids project ant and medially at an angle of 47 degrees

59
Q

Dolichocephalic skull

A

Long from front to back

narrow from side to side

deep from vertex to base

petrous pyramids angle 40

60
Q

Brachycephalic skull

A

short from front to back

broad from side to side

shallow from vertex to base

petrous pyramid angle 54

61
Q

Hyposthenic and asthenic patients need support at

A

chest to elevate c-spine to prevent down tilt of MSP

62
Q

Frontal vertical portion – forms

A

Frontal squama, forehead and anterior part of cranial

63
Q

Horizontal portion form

A

orbital plates

part of roof of nasal cavity

greater part of anterior cranial fossa

64
Q

Frontal sinuses are contained between the

A

the two tables of squama on each side of MSP

65
Q

Occipital bone situated at

A

posteroinferior part of cranium

66
Q

occipital bone forms

A

posterior half of cranial base and greater portion of posterior cranial fossa

67
Q

Occipital bone four parts

A

◦Squama

◦Two occipital condyles

◦Basilar portion

68
Q

External occipital protuberance is – corresponds w/

A

prominent process on squama

internal occipital protuberance

69
Q

External occipital protuberance AKA

70
Q

Occipital condyles project

A

anteriorly form anteriorly from each side of squama

71
Q

Occipital condyles articulate w/

A

two parietals

the two temporals

the sphenoid

the atlas (C1)

72
Q

A

A

Orbital plate

73
Q

B

A

Lesser wing

74
Q

C

A

Greater wing

75
Q

D

A

Optic groove

76
Q

E

A

Foramen ovale

77
Q

F

A

Foramen spinosum

78
Q

G

79
Q

H

A

Petrous portion

80
Q

I

81
Q

J

82
Q

K

A

Crista galli

83
Q

L

A

Cribiform plate

84
Q

M

A

Optic canal and foramen

85
Q

N

A

Tuberculum sellae

86
Q

O

A

Anterior clinoid process

87
Q

P

A

Sella turcica

88
Q

Q

A

Posterior clinoid process

89
Q

R

A

Foramen lacerum

90
Q

S

A

Dorsum sellae

91
Q

T

A

Jugular foramen

92
Q

U

A

Hypoglassal canal

93
Q

V

A

Foramen magnum

94
Q

Sinuses are - bones of the face

A

Frontal, ethmoid, sphenoid, maxillary

95
Q

Largest sinuses

A

Maxilliary

96
Q

Second largest sinus

97
Q

Many air cells in 3 groups in Ethmoid

A

anterior, middle and pos

98
Q

Sphenoid sinus located

A

inferior to the sella tursica

99
Q

Sinuses functions

A

resonating chamber for voice

decrease of skull air

helps to warm and moisten inhaled air

Shock absorbers

Possibly to control immune system

100
Q

All sinuses must be performed

101
Q

A

A

Frontal bone

102
Q

B

A

Frontal sinus

103
Q

C

A

Crista galli

104
Q

D

A

Nasal bone

105
Q

E

106
Q

F

107
Q

G

108
Q

H

109
Q

I

A

Sphenoidal sinus

110
Q

J

A

Pertrous portion

111
Q

K

A

Internal acoustic meatus

112
Q

L

113
Q

M

A

Squamous portion of the temporal bone

114
Q

N

115
Q

O

A

Pterygoid hamulus

116
Q

P

117
Q

A

118
Q

B

A

Foramen magnum

119
Q

C

A

Basilar portion

120
Q

D

A

Tympanic portion

121
Q

E

A

External occipital protuberance (inion)

122
Q

A

B

C

D

A

Sphenoidal

Maxillary

Frontal

Ethmoidal

123
Q
  • degree difference from OML and iOML

Registry (21 decks)

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