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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
Posterior corner of the jaw, where ramus meets alveolar portion (containing teeth)
Angle
26
Midsagittal line of fusion between left and right halves of the mandible, at the chin
Symphysis
27
In anterior mandible (exterior), lateral to the chin' transmits mental artery, vein, and nerve (branch of mandibular division of trigeminal nerve, V3)
Mental foramen
28
In medial surface of ramus, for mandibular artery and vein, and mandibular division of trigeminal nerve (V3)
mandibular foramen
29
Holds frontal lobe of cerebrum
anterior fossa
30
Holds temporal lobe of cerebrum
middle fossa
31
Holds cerebellum
posterior fossa
32
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
cribriform plate
33
Mid-sagittal superior process of the ethmoid bone (rooster's comb)
crista galli
34
Transmits optic nerve (II), distal to the optic chiasma, through the lesser wing of the sphenoid bone and into the orbit
optic foramen
35
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
superior orbital fissure
36
Transmits the maxillary division of the trigeminal nerve (V2) through the greater wing of the sphenoid bone
foramen rotundum
37
Transmits the mandibular division of the trigeminal nerve (V3) through the greater wing of the sphenoid bone
foramen ovale
38
Transmits the internal carotid artery into the cranium, through the temporal bone anterior to the jugular foramen
carotid canal
39
Depression in the sphenoid bone that supports the pituitary gland (saddle)
sella turcica
40
Transmits nerves VII (facial) and VIII (vestibulocochlear) through the temporal bone
internal auditory meatus
41
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
jugular foramen
42
Opening for spinal cord in the occipital bone
foramen magnum
43
Transmits nerve XII through the anterolateral margin of the foramen magnum
hypoglossal canal
44
Temporal fossa
45
Zygomatic arch
46
Coronal suture
47
Lambdoid suture
48
Sagittal suture
49
Squamosal suture
50
Mastoid process
51
External occipital protuberance
52
Occipital condyle
53
Mandibular fossa
54
Styloid process
55
External auditory meatus
56
Foramen magnum
57
Orbit
58
Supraorbital ridge
59
Optic foramen
60
Supraorbital foramen
61
Infraorbital foramen
62
Ramus
63
Condyle
64
Coronoid process
65
Angle
66
Symphysis
67
Mental foramen
68
Mandibular foramen
69
Anterior fossa
70
Middle fossa
71
Posterior fossa
72
Cribriform plate
73
Crista galli
74
Superior orbital fissure
75
Foramen rotundum
76
Foramen ovale
77
Carotid canal
78
Sella turcica
79
Internal auditory meatus
80
Jugular foramen
81
Foramen magnum
82
Hypoglossal canal
83
Inferior orbital fissure
84
C3-C6 vertebrae
85
Atlas (C1)
86
Axis (C2)
87
Hyoid bone
88
Clavicle
89
Skullcap
calvarium

ANAT LP2 (7 decks)

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