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R.A. > Ch 2 > Flashcards

Ch 2 Flashcards

1
Q

How many bones does the cranium have?

A

8

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2
Q

how many bones does the face have?

A

14

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3
Q

Purposes of the skull (4)

A

*Protect the brain
*Support the jaws
*Serve as an attachment for muscles
*Give form to the head

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4
Q

What are the Bones of the Cranium

A

Occipital 1
Parietal 2
Temporal 2
Frontal 1
Ethmoid 1
Sphenoid 1

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5
Q

the anterior 1/3 of the cranium forming the forehead and parts of the eye socket and most of the anterior for the cranial floor

A

Frontal Bone

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6
Q

What does the frontal bone articulate with

A

Parietal bones at the coronal suture

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7
Q

Eminences of the Frontal bone

A

Frontal eminences (2)
Supraorbital margin (2)
Superciliary arches(2)
Glabella (1)

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8
Q

rounded prominences on either side of the median line and a little inferior to the center of the frontal bone; a warm- color area

A

Frontal eminences

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9
Q

the superior rim of the eye socket

A

supraorbital margin

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10
Q

the inferior part of the forehead just superior to the medial ends of the eyebrows; facial marking

A

superciliary arches

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11
Q

an elevation located between the superciliary arches on the inferior part of the frontal bone immediately above the root of the nose

A

Glabella

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12
Q

forms the lowest part of the back and base of the cranium; acts as a cradle for the brain

A

occiptial

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13
Q

What does the occiptial bone articulate with

A

parietal bone at lambdoidal suture and the temporal bone at the squamosal suture

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14
Q

an opening in the occipital bone through which the spinal cord, spinal arteries, and nerves pass;located midway betweern two mastoid processes

A

foramen magnum

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15
Q

these bones create the superior portion of the sides and back of the cranium as well as the posterior 2/3 of the roof of the cranium

A

Parietal

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16
Q

what do the parietal bones articulate with?

A

occipital bone @ lambdoidal suture, tempiral bone at the squamosal suture, frontal bone at coronal suture, and other parital bone at sagittal suture

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17
Q

marked convexities on the outer surfaces of the parietal bone; considered widest part of the cranium

A

parietal eminence

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18
Q

comprises the inferior portion of the sides and base of the cranium, located inferior to the parietal bones and anterior to the occipital bone

A

Temporal bone

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19
Q

what does the Temporal bone articulate with?

A

parietal bone @ squamosal suture
occipital bone at lambdoial suture

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20
Q

the thin superior part of the temporal bone; temporal cavity is immediatley lateral

A

Squama

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21
Q

a long, thin, arched process extending anteriorly from the squama to the zygomatic bone; considered the widest part of the face

A

zygomatic arch

22
Q

a small oval depression or socket on the underside of the temporal bone; the mandibluar condyle articulates in this depression

A

Mandibular fossa

23
Q

the opening of the ear passage located in front of the mastoid process

A

external auditory meatus

24
Q

a rounded projection of the interior portion of the temporal bone just medical to the lobe of the ear

A

Mastoid process

25
Q

What 5 bones of the head are not considered surface bones?

A

Sphenoid, Ethmoid, Vomer, Lacrimal, Palatine

26
Q

located at the anterior part of the base of the skull and binds the other cranial bones together

A

Sphenoid

27
Q

a horizontal plate that forms the roof of the nasal cavity and closes the anterior part of the base of the cranium

A

Ethmoid

28
Q

these bones lie directly inferior to the glabella; they form the bridge of the nose and the dome over the superior portion of the nasal cavity

A

Nasal bones

29
Q

what does the Nasal bone articulate with?

A

each other forming the nasal bridge, the frontal bone at root of nose

30
Q

the orifice in the face bounded by the margins of the nasal bones and maxilla

A

nasal cavity

31
Q

the diamond-shaped bones that form the cheekbones

A

Zygomatic bone

32
Q

The three fused parts that create the zygomatic arch

A

zygomatic bone,
temporal process of zygomatic
zygomatic process of temporal

33
Q

bones of upper jaw; form the skeletal base for most the superior portion of the face, anterior roof of the mouth, sides and floor of nasal cavity and floor of the orbits

A

Maxilla

34
Q

What does the Maxilla articulate with?

A

each other at midline to create the nasal spine

35
Q

the ascending part of the upper jaw which gradually protrudes as it rises beside the nasal bone to meet the frontal bone

A

frontal processes of maxilla

36
Q

the ridge of thick spongy bone surrounding the alveoli of the teeth

A

alveolar process

37
Q

forms anterior part of the hard palate of the mouth. Part of the nasal cavity and part of the orbital cavity

A

palatine process

38
Q

where the temporal bone joins the zygomatic bone

A

zygomatic process

39
Q

Buck teeth

A

dental prognathism

40
Q

a single bone located along the midline within the nasal cavity; forms part of the septum of the nose

A

Vomer bone

41
Q

two bones located in the medial wall of each orbit between the ethmoid and maxillary bones

A

lacrimal

42
Q

consist of two bones that are located at the back part of the nasal cavity behind the maxillae

A

palatine bones

43
Q

the horseshoe-shaped bone forming the lower jaw; consists of the body and ramus portions

A

Mandible

44
Q

curve-shaped, horizontal, and lowest part of the lower jaw; contains alveolar processes for the teeth, as the maxilla does

A

Body of Mandible

45
Q

vertical portions of the mandible; wide, flat, and quadrilateral in shape

A

Rumus (2)

46
Q

what does the Mandible articulate with?

A

Mandibular fossa of the temporal bone

47
Q

a triangular projection on the inferior of the anterior mandible

A

Mental eminence

48
Q

an area between the mental eminence and the inferior incisor teeth

A

incisive fossa

49
Q

a thin flattened process projection from the anterior portion of the upper border of the ramus; serves as the insertion of the temporalis muscle from the temporal cavity above

A

Coronoid process

50
Q

a rounded eminence at the articulating posterior process of the ramus

A

condlye

51
Q

the angle formed by the junction of the posterior edge of the ramus and the inferior surfaces of the body of the mandible; influences the form of the head from a frontal view

A

angle of the mandible

52
Q

measured by a straight line between the two angles of the mandible and is used in photographic analysis for restoration

A

The Bimandibular Width

R.A. (12 decks)

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