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Axial Skeleton Flashcards

1
Q

Opening above each orbit allowing blood vessels and nerves to pass

A

Supraorbital foramen

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2
Q

Smooth area between the eyes

A

Glabella

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3
Q

Occurs where the left and the right parietal bones meet superiorly in the midline of the cranium

A

Sagittal suture

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4
Q

Running in the frontal plane, occurs anteriorly where the parietal bones meet the frontal bones

A

Coronal Suture

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5
Q

Occurs where each parietal bone meets the temporal bone, on each lateral aspect of the skull.

A

squamous suture

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6
Q

Articulation process for zygomatic bone

A

Zygomatic process

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7
Q

Located on the inferior surface of the zygomatic process; receives the condylar process of the mandible to form the temperomandibular joint

A

Mandibular fossa

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8
Q

Canal leading to the middle ear and eardrum

A

external auditory meatus

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9
Q

Needlelike projection that serves as an attachment point for ligaments and muscles of the neck.

A

Styloid Process

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10
Q

Located posterior to the external acoustic meatus; serves as an attachment point for neck muscles

A

Mastoid Process

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11
Q

Tiny opening between the mastoid and styloid processes through which cranial nerve VII leaves the cranium

A

Stylomastoid Foramen

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12
Q

Located where the petrous part of the temporal bone joins the occipital bone. Forms an opening which the internal jugular vein and cranial nerves (IX, X, and XI) pass.

A

Jugular foramen

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13
Q

Opening through which the internal carotid artery passes into the cranial cavity

A

Carotid canal

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14
Q

Occurs where the parietal bones meet the occipital bone posteriorly

A

Lamboid suture

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15
Q

Large opening in the base of the bone, which allows the spinal cord to join with the brain stem

A

Foramen Magnum

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16
Q

Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra

A

Occipital condyles

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17
Q

Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas)

A

Occipital condyles

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18
Q

Midline prominence posterior to the foramen magnum

A

External occipital crest and protuberance

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19
Q

Project laterally from the sphenoid body, forming parts of the middle cranial fossa and the orbits

A

Greater wings

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20
Q

Slits in the orbits providing passage of the cranial nerves that control eye movements (III, IV, VI, and the opthalmic division of V)

A

Superior Orbital Fissures

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21
Q

Slits in the orbits providing passage of the cranial nerves that control eye movements (III, IV, VI, and the opthalmic division of V)

A

Superior Orbital Fissures

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22
Q

“Turkish saddle” located on the superior surface of the body; the seat of the saddle , called the hypophyseal fossa, holds the pituitary gland.

A

Sella turcica

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23
Q

Form part of the floor of the anterior cranial fossa and part of the orbit

A

Lesser wings

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24
Q

Openings in the base of the lesser wings; cranial nerve II (optic nerve) passes through to serve the eye

A

Optic canals

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25
Openings located in the medial part of the greater wing; a branch of cranial nerve V (maxillary division) passes through
Foramen Rotundum
26
Openings located posterolateral to the foramen rotundum; a branch of cranial nerve V (mandibular division) passes through-Trigeminal Nerve
Foramen ovale
27
Openings located posterolateral to the foramen spinosum; provides a passageway for the middle meningeal artery (associated with strokes)
Foramen Spinosum
28
Almost completely closed by cartilage in the living person but forms a jagged opening in dried skulls; where sphenoid and temporal bones meet
Foramen Lacerum
29
"Roosters comb"; a superior projection that attaches to the dura mater, helping to secure the brain within the skull
Crista galli
30
Located lateral to the crista galli; form a portion of the roof of the nasal cavity and the floor of the anterior cranial fossa; contains olfactory foramen where olfactory nerves pass through
Cribriform plates
31
Inferior projection that forms the superior portion of the nasal septum
Perpendicular plate
32
Extend medially from the lateral masses; act as turbinates to improve air flow through the nasal cavity
Superior and middle nasal conchae
33
Horizontal portion that forms the chin
body
34
Vertical extension of the body
Ramus
35
Posterior projection articulates with mandibular fossa
Mandibular condyle
36
"Crown shaped" portion of the ramus for muscle attachment
Coronoid process
37
Posterior points where the ramus meets the body
angle
38
Two holes in anterior portion of mandible where blood vessels and nerves pass through
Mental foramina
39
medial side of the mandible where mandibular nerve passes through
Mandibular foramen
40
Superior margin of the mandible; contains sockets where the teeth lie
Alveolar margin
41
Forms the anterior hard palate; meet anteriorly in the intermaxillary suture
Palatine process
42
Hole just below the orbit where nerves and blood vessels pass through
infraorbital foramen
43
Encloses and protects the brain
cranium
44
Makes up the forehead
frontal bone
45
Where the eyebrows sit, upper portion of the orbit
Supraorbital margins
46
upper portion of the orbit, where nerves and blood vessels pass through
Supraorbital foramen
47
Makes up the superior/lateral portion of the skull
Parietal bone
48
Makes up the posterior part of the skull
Occipital bone
49
Bump where muscle connects on back of the head
External occipital protuberance
50
Inferior/lateral portion of the skull
Temporal bones
51
Helps to form the zygomatic arch
Zygomatic process
52
Formed by the temporal and zygomatic bone
Zygomatic arch
53
Articulates with the mandibular condyle
Mandibular fossa
54
External ear canal
External Auditory Meatus
55
Found between the styloid and mastoid
Stylomastoid foramen
56
Where the jugular vein passes through
Jugular foramen
57
Where the carotid artery passes through; supplies the brain with 80% of its blood supply
Carotid canal
58
Where vestibulochlear nerve passes through
Internal Acoustic Meatus
59
Deepest cranial bone
Ethmoid bone
60
Where olfactory nerves pass through
Olfactory foramina
61
Makes up the lower jaw, only moveable bone in the skull
Mandible
62
Between mandibular condyle and coronoid process
Mandibular notch
63
Joint between mandibular fossa and condyle
Temporomandibular joint (TMJ)
64
Form the upper jaw
Maxillary bones
65
Cheek bones
Zygomatic bones
66
Make up the bridge of the nose
Nasal bones
67
Where tear sac sits
Lacrimal fossa
68
Posterior part of the hard palate
Palatine bone
69
Inferior portion of the nasal septum
Vomer
70
Seven bones that form the orbit
``` Frontal Lacrimal Maxilla Zygomatic Sphenoid Ethmoid Palatine bone ```
71
Lined with mucus, warm and moisten incoming air and lightens the weight of the head
Paranasal Sinuses
72
Name four paranasal sinuses
Frontal, sphenoid, ethmoid, and maxillary sinuses
73
Only bone in the body that doesnt touch another bone; anchors the tongue
Hyoid bone
74
Transfers weight from the trunk to the legs; surrounds and protects the spinal cord
The vertebral column
75
Posterior curve in the spine, found in thoracic and sacral areas
Kyphotic curve
76
Born with this type of curve in spine
Primary curve
77
Anterior curve in the spine in the cervical and lumbar area
Lordotic curve
78
Curve in spine that is developed later; not born with it
Secondary curve
79
Abnormal lateral curve of vertebral column
Scoliosis
80
Disc between the vertebrae for cushioning
Intervertebral discs

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