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ANAT LP2 > Skull surface features > Flashcards

Skull surface features Flashcards

1
Q

Lateral side of skull, filled by temporalis muscle

A

Temporal fossa

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2
Q

Connects zygomatic bone (anterior) to temporal bone (posterior)

A

Zygomatic arch

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3
Q

On crown of head between frontal bone and parietals

A

Coronal suture

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4
Q

Between occipital bone and parietals, shaped like the capital Greek letter lambda

A

Lambdoid suture

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5
Q

On crown of head between parietals, on mid-sagittal line

A

Sagittal suture

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6
Q

Between parietal and temporal bones, on lateral aspect of skull

A

Squamous all suture

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7
Q

Inferior temporal bone, posterior and lateral to external auditory meatus

A

Mastoid process

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8
Q

Occipital bone, superior to foramen magnum

A

External occipital protuberance

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9
Q

Right and left, articulate with superior articular facets of atlas

A

Occipital condyle

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10
Q

Temporal bone, for articulation with mandibular condyle

A

Mandibular fossa

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11
Q

Temporal bone, inferior and medial to external auditory meatus

A

Styloid process

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12
Q

Lateral temporal bone, opening to ear

A

External auditory meatus

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13
Q

Occipital bone, opening for spinal cord

A

Foramen magnum

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14
Q

Anterior openings into nasal cavity

A

External naris (pl. nares)

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15
Q

Posterior opening between nasal cavity and nasopharynx, bounded by palatine and vomer

A

Internal naris (pl. nares)

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16
Q

Bony part is vomer and perpendicular plate of ethmoid, hyaline cartilage anteriorly

A

Nasal septum

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17
Q

Cavity of eyeball, main borders formed by frontal (superior), zygomatic (lateral), and maxillary (inferior and medial)

A

Orbit

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18
Q

Frontal bone, superior to the orbit, the “brow ridge”

A

Supraorbital ridge

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19
Q

Opening for optic nerve (II) in orbit

A

Optic foramen

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20
Q

In frontal bone, above orbit’ opening for supra orbital artery, vein, and nerve (branch of frontal nerve, ultimately from ophthalmic division of trigeminal nerve, V1)

A

Supraorbital foramen

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21
Q

In maxillary bone, below orbit; opening for infraorbital artery, vein, and nerve (branch of maxillary division of trigeminal nerve, V2)

A

Infraorbital foramen

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22
Q

Ascending part of the lower jaw

A

Ramus

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23
Q

Posterior process on superior ramus which articulates with mandibular fossa of temporal bone

A

Condyle

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24
Q

Anterior process on superior ramus

A

Coronoid process

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25
Q

Posterior corner of the jaw, where ramus meets alveolar portion (containing teeth)

A

Angle

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26
Q

Midsagittal line of fusion between left and right halves of the mandible, at the chin

A

Symphysis

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27
Q

In anterior mandible (exterior), lateral to the chin’ transmits mental artery, vein, and nerve (branch of mandibular division of trigeminal nerve, V3)

A

Mental foramen

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28
Q

In medial surface of ramus, for mandibular artery and vein, and mandibular division of trigeminal nerve (V3)

A

mandibular foramen

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29
Q

Holds frontal lobe of cerebrum

A

anterior fossa

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30
Q

Holds temporal lobe of cerebrum

A

middle fossa

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31
Q

Holds cerebellum

A

posterior fossa

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32
Q

Many small mesh-like foramina in the ethmoid bone

where olfactory bulb (I) lies and the olfactory nerves proper penetrate into the superior nasal cavity

A

cribriform plate

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33
Q

Mid-sagittal superior process of the ethmoid bone

(rooster’s comb)

A

crista galli

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34
Q

Transmits optic nerve (II), distal to the optic chiasma, through the lesser wing of the sphenoid bone and into the orbit

A

optic foramen

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35
Q

Transmits nerves III, IV, and VI, and the ophthalmic division of trigeminal V through the sphenoid bone (at the juncture of the lesser and greater wings) and into the orbit

A

superior orbital fissure

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36
Q

Transmits the maxillary division of the trigeminal nerve (V2) through the greater wing of the sphenoid bone

A

foramen rotundum

37
Q

Transmits the mandibular division of the trigeminal nerve (V3) through the greater wing of the sphenoid bone

A

foramen ovale

38
Q

Transmits the internal carotid artery into the cranium, through the temporal bone anterior to the jugular foramen

A

carotid canal

39
Q

Depression in the sphenoid bone that supports the pituitary gland (saddle)

A

sella turcica

40
Q

Transmits nerves VII (facial) and VIII (vestibulocochlear) through the temporal bone

A

internal auditory meatus

41
Q

Transmits the venous sinuses which become the internal jugular vein, as well as cranial nerves IX, X, and XI

splits the border of the temporal and occipital bones

posterior to the carotid canal

A

jugular foramen

42
Q

Opening for spinal cord in the occipital bone

A

foramen magnum

43
Q

Transmits nerve XII through the anterolateral margin of the foramen magnum

A

hypoglossal canal

44
Q
A

Temporal fossa

45
Q
A

Zygomatic arch

46
Q
A

Coronal suture

47
Q
A

Lambdoid suture

48
Q
A

Sagittal suture

49
Q
A

Squamosal suture

50
Q
A

Mastoid process

51
Q
A

External occipital protuberance

52
Q
A

Occipital condyle

53
Q
A

Mandibular fossa

54
Q
A

Styloid process

55
Q
A

External auditory meatus

56
Q
A

Foramen magnum

57
Q
58
Q
A

Supraorbital ridge

59
Q
A

Optic foramen

60
Q
A

Supraorbital foramen

61
Q
A

Infraorbital foramen

62
Q
63
Q
64
Q
A

Coronoid process

65
Q
66
Q
67
Q
A

Mental foramen

68
Q
A

Mandibular foramen

69
Q
A

Anterior fossa

70
Q
A

Middle fossa

71
Q
A

Posterior fossa

72
Q
A

Cribriform plate

73
Q
A

Crista galli

74
Q
A

Superior orbital fissure

75
Q
A

Foramen rotundum

76
Q
A

Foramen ovale

77
Q
A

Carotid canal

78
Q
A

Sella turcica

79
Q
A

Internal auditory meatus

80
Q
A

Jugular foramen

81
Q
A

Foramen magnum

82
Q
A

Hypoglossal canal

83
Q
A

Inferior orbital fissure

84
Q
A

C3-C6 vertebrae

85
Q
A

Atlas (C1)

86
Q
87
Q
A

Hyoid bone

88
Q
89
Q

Skullcap

ANAT LP2 (7 decks)

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