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ANAT BLOCK 4 > Head #1 > Flashcards

Head #1 Flashcards

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1
Q

what are the two parts of the cranium

A

neurocranium and viscerocranium

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2
Q

what are the two cranial bones with bilateral pairs

A

temporal and parietal

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3
Q

what kind of bones primarily form the calvaria

A

flat bones

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4
Q

bones forming the basicranium are primarily what

A

irregular bones

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5
Q

what is the irregular bone that makes a relativley minor midline contribution to the neocranium but is actually part of the VISCEROCRANIUM

A

Ethmoid bone

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6
Q

what are the only bones that are united by hyaline cartilage ( synchondroses) in childhood

A

sphenoid and occipital

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7
Q

what is known as the facial skeleton

A

viscerocranium

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8
Q

the viscerocranium consists of bones surronding what three things

A
  • nose
  • mouth
  • orbits
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9
Q

how many irregular bones are in the viscerocranium

A

15

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10
Q

what are the three singular bones in the viscerocranium that are in the midline

A
  • manduble
  • ethmoid
  • vomer
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11
Q

what are the 6 bones that are bilateral pairs in the viscerocranium

A
  • maxilla
  • inferior nasal conchae
  • zygomatic
  • palatine
  • nasal
  • lacrimal
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12
Q

what is one of the most movable joints and can also be easily damaged

A

the mandible

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13
Q

what is cool about several of the cranial bones and allows them to not weigh alot

A

that they are pneumatizied, they have air cells

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14
Q

what is the inferior margin of the orbit supposed to line up with in a horizontal plane in anatomical postion

A

the superior margin of the external acoustic opening

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15
Q

what is laterally connected to the frontal bone

A

zygomatic bone

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16
Q

what is medially connected to the frontal bone

A

nasal bone

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17
Q

what is the part of the frontal bone that is flat called

A

squamous

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18
Q

what bone forms the orbital roof

A

frontal bone

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19
Q

what is the frontal suture called

A

metopic suture

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20
Q

in what percent of people can the metopic suture persist

A

1%

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21
Q

where the frontal bone and the nasal bone intersect it is called what

A

nasion

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22
Q

what is the depressed bridge area of the nose in some people

A

nasion

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23
Q

what is the ridge above the supraorbital margin

A

supercillary arch

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24
Q

internal carotid artery supplies what

A

inside the cranium

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25
Q

the supercillary arch is usually greater in who

A

males

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26
Q

gabella is bigger in who

A

men

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27
Q

what goes through the optic canal

A

the optic nerve

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28
Q

what bone form the prominent cheek bone

A

zygomatic bone

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29
Q

what are malar bones

A

cheek bones

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30
Q

what goes through the zygomaticofacial foramen

A

the zygomatic facial branch of the maxilary nerve which is a branch of V2

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31
Q

what is the aperture under the nasal bone the shape of

A

pear shaped

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32
Q

upper portion of nose is formed by… lower portion…

A

ethmoid

vomer

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33
Q

alveoli in the maxilla are what

A

tooth sockets

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34
Q

what are the only two bones that make the socket of the eye

A

zygmoatic bone and maxilla

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35
Q

what passes through the infraorbital foramen in the inferior part of each orbit

A

infraorbital nerve and vessels

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36
Q

what is the infraorbital nerve a branch of

A

V2 ( axillary branch)

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37
Q

supraorbital nerve is a branch of

A

V2

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38
Q

what unites the two maxilla in the median plane

A

inter maxillary suture

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39
Q

V1?

A

opthalmic divsion

40
Q

V2?

A

Maxillary Division

41
Q

C3?

A

mandibular divsion

42
Q

the vertical part of the mandible is called what

A

ramus

43
Q

what are inferior to the second premolar teeth

A

mental foramina

44
Q

what goes through the mental foramina

A

mental nerves and vessels

45
Q

what forms the prominence of the chin

A

mental protuberance

46
Q

what are the fan type muscles in the temporal fossa

A

temporalis muscle

47
Q

what bounds the temporal fossa superiorly and posteriorly

A

superior and inferior temporal lines

48
Q

what bounds the tempral fossa anteriorly

A

frontal and zygomatic bones

49
Q

what is the inferior boundary of the temporal fossa

A

zygomatic arch

50
Q

the superior border of the temporal fossa corresponds to what

A

the inferior limit of the cerebral hemisphere of the brain

51
Q

what is the craniometric point that is used in cranial measurments called and where is it

A

Inion

the tip of the external protuberance

52
Q

what is the part of the external occipital protuberance that extends from the protuberance to the formen magnum

A

external occipital crest

53
Q

what makes the superior limit of the neck

A

the superior nucheal line

54
Q

what marks the junction between the lamboid and sagittal suturtes

A

lambda

55
Q

where does the superior aspect of the cranium broaden

A

posterolaterally at the parietal eminences

56
Q

what can give the calviara a square shape in some people

A

frontal eminieces

57
Q

what suture seperates the frontal and parietal bones

A

coronal

58
Q

what is it called when the sagital suture meets the coronal suture

A

bregma

59
Q

what is the most superior part of calviara called

A

vertex

60
Q

where are the parietal foramina located

A

near the sagital sutures

61
Q

what are the most irregular and variable foramina in the neurocranium and transmit emissary veins, these are veins connecting scalp veins to venous sinus of dura matter

A

emissary foramina

62
Q

what is the star shaped junction of the three sutures, parietomastoid, occipitomastoid, and lamboid

A

asterion

63
Q

palatine bone is part of what

A

maxilla

64
Q

what is the hard palate formed by

A

palatine process and horizontal plate of palatine bones

65
Q

where is posterior to the central incisor teeth

A

incisive fossa

66
Q

the incisive canal open in where

A

the incisive fossa

67
Q

what seperates the chonca

A

vomer

68
Q

what are the three things that the sphenoid consist of

A

greater wing
lesser wing
pterygoid process

69
Q

what cranial nerve goes through the foramen magnum

A

CN XI

accessory

it goes in the brain not out

70
Q

what goes through the jugular foramin

A

IJV and cranial nerves 9-11

71
Q

what cranial nerves pass through the internal acoustic meatus

A

CN VII and CN VIII

72
Q

where is the stylomastoid foramen

A

between mastoid process and styloid process

73
Q

what goes through the stylomastoid foramen

A

stylomastoid artery and facial nerve

74
Q

what lobe of the brain is important for intelligence

A

the frontal lobe

75
Q

what is the shallowest of the three cranial fossae

A

the anterior cranial fossa

76
Q

what are the three bones that form the anterior cranial fossa

A
  • ethomid ( medially)
  • frontal bone ( anteriorly)
  • sphenoid ( posteriorly)
77
Q

what part specifically of the sphenoid forms the anterior cranial fossa

A

the lesser wings

78
Q

the greater part of the anterior cranial fossa is formed by what

A

the orbital parts of the frontal bone

79
Q

what is the median bony extension of the frontal bone

A

frontal crest

80
Q

foramen cecum is important when

A

during fetal development but not postnatally

81
Q

what is the elevation at the topmost level of the ethmoid

A

the crista gali

82
Q

the tiny foramina of the cribiform plate transmit what

A

the olfactory nerves

83
Q

what is the sphenoid crest formed by

A

the lesser wing of the sphenoid

84
Q

what does the pituritary gland sit on

A

hypophysial fossa

85
Q

the crossing of the optic nerve happens where

A

prechiamastic sulcus

86
Q

what is the sharp elevation of the sphenoid called

A

dorsum sellae

87
Q

what are the three parts of the sella turcica

A

tuberculum sellae

hypophysial fossa

dorsum sellae

88
Q

what nerve goes through the foramen rotundum

A

trigeminal nerve

89
Q

what nerves go through the superior orbital fissure

A

CN 3,4,5,6, and sympathetic fibers

90
Q

what goes through the foramen ovale

A

CN V3

91
Q

what is not part of the crecent of foramina

A

foramen lacerum

92
Q

the foramin lacerum is close to the entery for the internal carotid artery, does it go through it

A

NO

93
Q

what is known as out balance center

A

cerebellum

94
Q

what is known as the respiratory center

A

medulla oblongota

95
Q

what nerves exist the jugular foramen

A

9,10, and 11

96
Q

what nerves exist the internal acoustic meatus

A

7 and 8

97
Q

sigmoid sinus exists the cranium as what

A

the internal jugular vein

ANAT BLOCK 4 (4 decks)

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