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A&P > Axial Skeleton > Flashcards

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
Q

Openings located in the medial part of the greater wing; a branch of cranial nerve V (maxillary division) passes through

A

Foramen Rotundum

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26
Q

Openings located posterolateral to the foramen rotundum; a branch of cranial nerve V (mandibular division) passes through-Trigeminal Nerve

A

Foramen ovale

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27
Q

Openings located posterolateral to the foramen spinosum; provides a passageway for the middle meningeal artery (associated with strokes)

A

Foramen Spinosum

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28
Q

Almost completely closed by cartilage in the living person but forms a jagged opening in dried skulls; where sphenoid and temporal bones meet

A

Foramen Lacerum

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29
Q

“Roosters comb”; a superior projection that attaches to the dura mater, helping to secure the brain within the skull

A

Crista galli

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30
Q

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

A

Cribriform plates

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31
Q

Inferior projection that forms the superior portion of the nasal septum

A

Perpendicular plate

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32
Q

Extend medially from the lateral masses; act as turbinates to improve air flow through the nasal cavity

A

Superior and middle nasal conchae

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33
Q

Horizontal portion that forms the chin

A

body

34
Q

Vertical extension of the body

A

Ramus

35
Q

Posterior projection articulates with mandibular fossa

A

Mandibular condyle

36
Q

“Crown shaped” portion of the ramus for muscle attachment

A

Coronoid process

37
Q

Posterior points where the ramus meets the body

A

angle

38
Q

Two holes in anterior portion of mandible where blood vessels and nerves pass through

A

Mental foramina

39
Q

medial side of the mandible where mandibular nerve passes through

A

Mandibular foramen

40
Q

Superior margin of the mandible; contains sockets where the teeth lie

A

Alveolar margin

41
Q

Forms the anterior hard palate; meet anteriorly in the intermaxillary suture

A

Palatine process

42
Q

Hole just below the orbit where nerves and blood vessels pass through

A

infraorbital foramen

43
Q

Encloses and protects the brain

A

cranium

44
Q

Makes up the forehead

A

frontal bone

45
Q

Where the eyebrows sit, upper portion of the orbit

A

Supraorbital margins

46
Q

upper portion of the orbit, where nerves and blood vessels pass through

A

Supraorbital foramen

47
Q

Makes up the superior/lateral portion of the skull

A

Parietal bone

48
Q

Makes up the posterior part of the skull

A

Occipital bone

49
Q

Bump where muscle connects on back of the head

A

External occipital protuberance

50
Q

Inferior/lateral portion of the skull

A

Temporal bones

51
Q

Helps to form the zygomatic arch

A

Zygomatic process

52
Q

Formed by the temporal and zygomatic bone

A

Zygomatic arch

53
Q

Articulates with the mandibular condyle

A

Mandibular fossa

54
Q

External ear canal

A

External Auditory Meatus

55
Q

Found between the styloid and mastoid

A

Stylomastoid foramen

56
Q

Where the jugular vein passes through

A

Jugular foramen

57
Q

Where the carotid artery passes through; supplies the brain with 80% of its blood supply

A

Carotid canal

58
Q

Where vestibulochlear nerve passes through

A

Internal Acoustic Meatus

59
Q

Deepest cranial bone

A

Ethmoid bone

60
Q

Where olfactory nerves pass through

A

Olfactory foramina

61
Q

Makes up the lower jaw, only moveable bone in the skull

A

Mandible

62
Q

Between mandibular condyle and coronoid process

A

Mandibular notch

63
Q

Joint between mandibular fossa and condyle

A

Temporomandibular joint (TMJ)

64
Q

Form the upper jaw

A

Maxillary bones

65
Q

Cheek bones

A

Zygomatic bones

66
Q

Make up the bridge of the nose

A

Nasal bones

67
Q

Where tear sac sits

A

Lacrimal fossa

68
Q

Posterior part of the hard palate

A

Palatine bone

69
Q

Inferior portion of the nasal septum

A

Vomer

70
Q

Seven bones that form the orbit

A 
Frontal 
Lacrimal 
Maxilla
Zygomatic
Sphenoid
Ethmoid
Palatine bone
71
Q

Lined with mucus, warm and moisten incoming air and lightens the weight of the head

A

Paranasal Sinuses

72
Q

Name four paranasal sinuses

A

Frontal, sphenoid, ethmoid, and maxillary sinuses

73
Q

Only bone in the body that doesnt touch another bone; anchors the tongue

A

Hyoid bone

74
Q

Transfers weight from the trunk to the legs; surrounds and protects the spinal cord

A

The vertebral column

75
Q

Posterior curve in the spine, found in thoracic and sacral areas

A

Kyphotic curve

76
Q

Born with this type of curve in spine

A

Primary curve

77
Q

Anterior curve in the spine in the cervical and lumbar area

A

Lordotic curve

78
Q

Curve in spine that is developed later; not born with it

A

Secondary curve

79
Q

Abnormal lateral curve of vertebral column

A

Scoliosis

80
Q

Disc between the vertebrae for cushioning

A

Intervertebral discs

A&P (9 decks)

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