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restorative art > all bones > Flashcards

all bones Flashcards

1
Q

coronal suture

A

separates the frontal and parietal bones

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2
Q

sagittal suture

A

separates parietal bones from one another

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3
Q

squamosal suture

A

connects a single temporal bone to a single parietal bone on each side

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4
Q

lamboidal suture

A

connects both parietal bones with the occipital bone

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5
Q

occipitomastoid suture

A

separates occipital bone and the mastoid portion of the temporal bone

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6
Q

sphenosquamosal suture

A

separates the sphenoid bone and the squamosal portion of the temporal bone

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7
Q

zygomaticotemporal suture

A

separates the zygomatic bone and the zygomatic process of the temporal bone

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8
Q

how many bones make up the cranium

A

6 (1 occipital, 1 frontal, 2 temporals, 2 parietals)

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9
Q

superciliary arches

A
  • on the frontal bone
  • lie above the medial ends of the eyebrow
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10
Q

glabella

A
  • on the frontal bone
  • between the superciliary arches
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11
Q

frontal eminences

A
  • on the frontal bone
  • rounding prominences at the upper part of the forehead
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12
Q

supraorbital margin

A
  • on frontal bone
  • upper rim of the eye socket
  • inferior to the superciliary arches
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13
Q

foramen magnum

A
  • in the occipital bone
  • large opening for the spinal cord under the skull
  • used to restore decapitations
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14
Q

occipital condyle

A
  • the place where the atlas attaches the skull
  • two condyles near the foramen magnum
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15
Q

superior nuchal line

A
  • on the occipital bone
  • two curved lines extending out from the external occipital protuberance
  • the lower one is called the superior one
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16
Q

occipital protuberance

A
  • on the occipital bone
  • small jutting eminence
  • midway between the foramen magnum and the angular summit of the bone
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17
Q

parietal bone makes up how much of the cranium

A

2/3

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18
Q

parietal eminence

A
  • on the parietal bone
  • just above the posterior border of the ears
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19
Q

what determines the widest part of the cranium

A

parietal bones (the eminences)

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20
Q

squama

A
  • in the temporal bone
  • scale like and thin, translucent
  • curves medially and is relatively deep behind the zygomatic arch
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21
Q

external auditory meatus

A
  • in temporal bone
  • ear passage
  • tympanic (curved)
  • inferior to the squama
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22
Q

mandibular fossa

A
  • in the temporal bone
  • part of the squama
  • small depression on the under surface
  • fits the condyle of the lower jaw
  • lies anterior to the ear passage
23
Q

mastoid process

A
  • in temporal bone
  • creates posterior part of the bone
  • lateral to the earlobe
  • the muscle attachment site for the sternocleidomastoid muscle
24
Q

zygomatic process

A
  • part of the temporal bone
  • connects to the zygomatic arch
  • projects from lower part of the squama
  • long and thin, extends anteriorly to the cheekbone
  • determines the widest part of the face
25
the 2 interior bones of the cranium
- ethmoid - sphenoid
26
ethmoid bone
- cribriform plate - nose area
27
sphenoid bone
- shaped like a bat/butterfly - mostly internal
28
inferior nasal conchae
- thin bones projecting from the nasal cavity
29
lacrimal bones
- in the eye socket - the lacrimal sac can be punctured during tissue building
30
mandible
- largest bone of the face - this is a check point for facial curvature
31
angle of the mandible
- widest part of the jaw - where the ramus joins the inferior border of the body of the mandible - it influences the form of the head from a frontal view - measurement is similar to the distance between zygomatic bones
32
ramus
- vertical portion of the mandible - has the mandibular condyle and coronoid process
33
coronoid process
- located on the mandible - shaped like a crow beak - the anterior process of the ramus to which the temporalis muscle attaches
34
mandibular condyle
- located on the mandible - posterior process of the ramus - rounded eminence at the articulation end of the mandible - goes in the mandibular fossa
35
body (of the mandible)
- part of the mandible - the horizontal portion - has the alveolar margin which holds your teeth
36
alveolar process
- on the mandible - holds 16 sockets for teeth - inferior set of teeth sets lightly with those of the maxilla (affects surface contour) - loss of teeth will change appearance
37
mandibular symphysis
- on the mandible - vertical line found along the midline on the body of the mandible - two portions meet at a 110 degree angle
38
mental protuberance
- on the mandible - triangular, midline elevation found along the external surface of the body of the mandible - contributes to the formation of the prominence of the chin and its continuous: superiorly with the mandibular symphysis
39
mental tubercle
- on the mandible - paired bony prominence on each side of the mental protuberance
40
alveolar crest
- on the mandible - between the mental eminence and incisor teeth - surface recedes - responsible for recession of central plane of lower integumentary lip
41
maxilla
- two fused bones - there are three process (frontal, palatine, zygomatic) - holds the top teeth
42
nasal spine
- in the maxilla - used to anchor mouth closure - the 2 maxilla bones fuse to form inferior margin of the nasal cavity - send out a small sharp spur - projection creates bony anatomical limit of the nose
43
alveolar margin (process)
- in the maxilla - thickest and most spongy part of the maxilla - sockets of 16 teeth - in adulthood its vertical dimension is increased due to development
44
frontal process
- in the maxilla bone - extends superiorly and anteriorly besides a nasal bone - articulates with frontal bone - forms most of lateral margin of nasal cavity and medial margin of orbital cavity - influences the lateral wall of the nose - most anterior portion of the cheek
45
incisive fossa
- in the maxilla - boney depression in the central front area of the undersurface of the bony hard palate, directly behind the incisors
46
palatine process
- in the maxilla - forms greater part of the roof of the mouth - floor of the nasal cavity - not a surface bone - has influence on the surface form
47
zygomatic process
- in the maxilla - elongated triangular structure - juts forward to join surface of zygomatic bone - provides direction of anterior natural concavity of the cheek
48
nasal bones
- creates the bridge of the nose - articulation of the two - anchor cartilage - lies directly inferior to the glabella - frontal and lateral surface widen as they descend
49
vomer bone
- inferior portion of the nasal septum
50
zygomatic bones
- further part of cheeks - like a diamond - creates prominence of the cheek - determines width of anterior plane of face - greatest width of anterior plane of face **but the zygomatic arch is the greatest width
51
temporal process
- part of zygomatic bone - surface of a zygomatic bone that articulates with the zygomatic process of the temporal bone - creates arch of the cheek
52
frontal process
- part of the zygomatic bone - articulates with the frontal bone - creates the lateral border of the eye socket
53
maxillary process
- part of the zygomatic bone - articulates with the maxilla - on the inferior and medial region and creates the inferior and lateral border off the eye socket
54
male vs. female skulls
- male = more prominent supraorbital rim - female = glabella is more subtle and is lighter with less defined curves bby

restorative art (13 decks)

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