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RT 211 > 5.1 The Skull > Flashcards

5.1 The Skull Flashcards

1
Q

Greek for skull

A

Kranion

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2
Q

Latin for skull

A

Calvaria

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3
Q

Cranium: 8 Bones

A
  • Frontal (1)
  • Parietal (2)
  • Occipital (1)
  • Temporal (2)
  • Sphenoid (1)
  • Ethmoid (1)
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4
Q

Visceral Cranium: 14 Bones

A
  • Maxillae (2)
  • Zygomatic (2)
  • Nasal (2)
  • Lacrimal (2)
  • Palatine (2)
  • Inferior conchae or turbinates (2)
  • Vomer (1)
  • Mandible (1)
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5
Q

Other bones

A
  • Hyoid bone (1)

* Auditory ossicles (Malleus - 2, Incus – 2, Stapes – 2)

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6
Q

no. of Teeth

A

32

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7
Q

a crown

A

Corona (Coronal Suture (1))

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8
Q

an arrow

A

Sagitta (Sagittal Suture (1))

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9
Q

Greek Letter Lambda

A

Lambdoidal Suture (1)

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10
Q

a scale, a thin flat plate

A

Squamous (Squamosal Suture (2))

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11
Q

Less obvious Sutures

A
  • Metopic Suture

- Two Mendosal Sutures

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12
Q

•Pass obliquely upwards, one in each half of the squamous part of the occipital bone

A

Two Mendosal Sutures

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13
Q

TMJ

A

Temporomandibular Joint

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14
Q
  • Synovial or diarthrodial joints

* Both hinge and gliding joint

A

TMJ – Temporomandibular Joint

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15
Q

The head or condyle of each ramus of the mandible articulates with the mandibular fossa of the corresponding temporal bone

A

TMJ – Temporomandibular Joint

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16
Q

are cavities within some of the cranial bones

A

Paranasal Sinuses

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17
Q

Paranasal Sinuses other name

A

accessory nasal sinuses

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18
Q

Maxillary sinuses also named as

A

antra

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19
Q

Greek for antra

A

antron

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20
Q

antron

A

a cave

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21
Q

suture present between two frontal bones

A

Metopic suture

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22
Q

are two rounded prominences on the squamous part of the frontal bone

A

Frontal eminences

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23
Q

ridges of bone that form the superior borders of the circular opening into each orbit

A

Supraorbital margins

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24
Q

small notch or sometimes a foramen located towards the medial end of each supraorbital margin

A

Supraorbital notch (or foramen)

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25
Q

is a smooth flat area between the medial ends of the supraorbital margins, and above the upper ends of the nasal bones

A

Glabella

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26
Q

paired cavities in the squamous part of the frontal bone above the supraorbital margins

A

Frontal sinuses

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27
Q

is a definite gap between the medial borders of the 2 orbital plates

A

Ethmoidal notch

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28
Q

pointed process that forms a small part of the nasal septum behind the nasofrontal articulations

A

Nasal spine

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29
Q

Frontal bone

A
  • Metopic suture
  • Frontal eminences
  • Supraorbital margins
  • Supraorbital notch (or foramen)
  • Glabella
  • Frontal sinuses
  • Ethmoidal notch
  • Nasal spine
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30
Q

Latin word for parietal bone

A

paries

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31
Q

wall

A

paries

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32
Q

is a rounded prominence on the lateral surface of each parietal bone

A

Parietal eminence, or parietal tuberosity

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33
Q

The distance between the 2 eminences

A

greatest transverse

34
Q

Latin word for Occipital bone

35
Q

back part

36
Q

large opening in the inferior part of the occipital bone through which the medulla oblongata of the brain joins the spinal cord

A

Foramen magnum

37
Q

oval shaped prominences locates on the inferior surface of each lateral part

A

Occipital condyles

38
Q

short passages from each lateral margin of the foramen magnum, close to its front end, that open below in front of the condyle

A

Hypoglossal canals

39
Q

is that part anterior to the foramen magnum

A

Basilar part

40
Q

Latin word for Temporal bones

41
Q

time

42
Q

is a large bony prominence that extend down from the temporal bone posterior to the ear

A

Mastoid process

43
Q

long slender silver-like process that extends down from each temporal bone

A

Styloid process

44
Q

is a slender bony process that extends horizontally forward from the opening of the ear

A

Zygomatic process

45
Q

is a depression on the temporal bone in front of the opening into the ear and below the origin of the zygomatic process

A

Mandibular fossa

46
Q

shaped somewhat like a pyramid and is sometimes called petrous pyramid

A

Petrous part

47
Q

Greek word for Petrous part

48
Q

rock

49
Q

porus, is an opening on the dorsal surface of the petrous part close to its medial end

A

Internal acoustic opening

50
Q

a canal leading from the internal acoustic opening to the inner ear

A

Internal acoustic meatus

51
Q

short passage that begins as a circular opening on the inferior surface of the petrous pyramid close to its medial end

A

Carotid canal

52
Q

forms the anterior and inferior walls of the external acoustic meatus

A

Tympanic part

53
Q

Greek word for Tympanic

54
Q

a drum

55
Q

Greek word for sphenoid

56
Q

wedge

57
Q

horizontal depression that crosses the body of the bone in front of the sella turcica

A

Chiasmatic groove

58
Q

are 2 short passages extending anteriorly and laterally one from each side of the body

A

Optics canal or optic foramina

59
Q

Greek name for Optics canal or optic foramina

60
Q

eye

61
Q

saddlelike bony depression on the upper surface of the body sphenoid

A

Sella turcica

62
Q

saddle

63
Q

Turkish

A

(L) Turcica

64
Q

posterior wall of sella turcica

A

Dorsum sella

65
Q

central cavity of the sella turcica

A

Pituitary fossa (hypophyseal fossa)

66
Q

are two small rounded prominences that are located one at each lateral end of the upper margin of the dorsum sella

A

Posterior clinoid processes

67
Q

lie one on each side of the upper anterior surface of the sella turcica

A

Middle clinoid processes

68
Q

is an often poorly defined groove that passes vertically along each lateral surface of the body

A

Carotid groove

69
Q

are 2 bony processes that extend posteriorly from the medial end of the posterior free margin of each lesser wing

A

Anterior clinoid processes

70
Q

(round opening) a small opening in the medial basal part of the greater wing just lateral to the superior orbital fissure. Transmit maxillary nerve

A

Foramen rotundum

71
Q

Greek word for Ethmoid bone

72
Q

a sieve

73
Q

wedge between the 2 orbital plates of the frontal bone in the ethmoidal notch on the floor of the anterior cranial fossa

A

Cribriform plate

74
Q

sieve

A

(L) cribrum

75
Q

very thin plate of bone that passes vertically up from the upper surface of the cribriform plate

A

Crista galli

76
Q

a crest

A

(L) crista

77
Q

rooster, a rooster’s comb

78
Q

is a flat sheet of bone that extends down in the midline from the cribriform plate and forms the nasal septum

A

Perpendicular plate

79
Q

are bony shelves that extend into the nasal cavities from the lateral walls

A

Superior and middle nasal conchae

80
Q

a shelf, a curved shelf

A

(L) concha

RT 211 (23 decks)

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