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A Forensic Anatomy > Anatomy of the skull (bones, features, articulation etc.) > Flashcards

Anatomy of the skull (bones, features, articulation etc.) Flashcards

1
Q

What are the 22 bones of the skull?

Can you locate this on a picture?

A
  • Nasal
  • Ethmoid
  • Lacrimal
  • Palatine
  • Zygomatic
  • Maxilla
  • Infraorbital canal of the maxilla
  • Mandible
  • Sphenoid bone
  • Middle nasal concha of the ethmoid bone
  • Perpen
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2
Q

What 2 groups of bones is the skull separated into?

A

The NEUROCRANIUM and VISCEROCRANIUM

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3
Q

What is the NEUROCRANIUM?

A

The 8 bones that surround and protect the brain

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4
Q

What is the VISCEROCRANIUM?

A

The 14 bones that make up the face

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5
Q

What bones make up the NEUROCRANIUM?

Can you label this on a diagram?

A
  • Frontal
  • Temporal (x2)
  • Parietal (x2)
  • Sphenoid
  • Ethmoid
  • Occipital
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6
Q

What bones make up the VISCEROCRANIUM?

Can you label this on a diagram?

A
  • Mandible
  • Vomer
  • Nasal (x2)
  • Lacrimal (x2)
  • Zygnomatic (x2)
  • Inferior nasal conchae (x2)
  • Plantine (x2)
  • Maxillae (x2)
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7
Q

What is the middle nasal concha of the ethmoid bone?

A

?

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8
Q

What is the mental foramen?

A

?

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9
Q

What is the inferior nasal concha?

A

?

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10
Q

What is the perpendicular plate of the ethmoid bone?

A

?

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11
Q

What is the infraorbital canal of the maxilla?

A

?

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12
Q

What are the 9 surfaces of the tooth?

A
  • Mesial
  • Distal
  • Buccal
  • Labial
  • Lingual
  • Palatal
  • Occlusal
  • Incisal
  • Cervical
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13
Q

What is the mesial surface of the tooth?

A

Closest to the midline

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14
Q

What is the distal surface of the tooth?

A

Furthest from the midline

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15
Q

What is the buccal surface of the tooth?

A

Surface closest to the cheek (premolars/molars)

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16
Q

What is the labial surface of the tooth?

A

Surface closest to the lips (incisors)

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17
Q

What is the lingual surface of the tooth?

A

Surface closest to the tongue (on all bottom teeth)

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18
Q

What is the occlusal surface of the tooth?

A

Biting edge of the premolars and molars

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19
Q

What is the incisal surface of the tooth?

A

Biting edge of the incisors

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20
Q

What is the cervical surface of the tooth?

A

Edge of the tooth closest to the gingival margin

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21
Q

What are the 3 parts of the tooth?

A

Crown
Neck
Root

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22
Q

What is the enamel of the the tooth?

A

?

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23
Q

What is the dentin of the tooth?

A

?

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24
Q

What is the gingiva?

A

?

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25
What is the pulp cavity of the tooth?
?
26
What is the periodontal ligament of the tooth?
?
27
What is the root canal?
?
28
What is the alveolus?
?
29
What is the cementum?
?
30
What is the gingival sulcus?
?
31
What is the apical foramen?
?
32
What is a dental chart? Describe it
A diagrammatic representation of the teeth on paper showing all the surfaces of the teeth Midline - divides oral cavity into left and right Upper and lower arches 11-18 (top left) 21-28 (top right) 31-38 (bottom right) 41-48 (bottom left)
33
When charting a patient, how do you look at them?
Face on
34
Name and illustrate the parts of the tooth
``` Enamel Dentine Pulpal chamber Cement Root Alveolus Periodontal ligament Apical foramen Gingival sulcus Gingiva ```
35
What are the 2 types of dentition?
1) Deciduous | 2) Permanent
36
What are the differences between dentition?
?
37
What does the presence of restoration in a tooth show?
A unique picture of the individual
38
Why are xrays useful?
Can compare the xrays of a dead individual with his/her antimortem dental records
39
How can dentition be used to identify human remains?
Specific patterns of primary and permanent dentition depending on age
40
What is a glabella?
Small depression medial to supraorbital ridges and superior to nasal bones (between the eyebrows)
41
What is the gnathion?
The most anterior-inferior, mid-sagittal point on the border of the mandible (midpoint of the lower portion of the mandible)
42
What is the gonion?
The most, posterior and lateral point of the angle of the mandible (outer point/corner of the jaw)
43
What is the labrale inferious?
The point where the inferior vermillion border meets the mid-sagittal (median) plane
44
What is the vermilion border? Inferior VM?
The coloured edge lip The coloured edge of the LOWER lip
45
What is the mentolabial sulcus?
The sulcus between the lower lip and the chin
46
What is the menton?
The most posterior-inferior, mid sagittal point of the border of the mandible (lowest point of the median part of the chin)
47
What is the mid-nasal?
Mid-point between the superior and inferior of the border of the nasal bone in the median plane
48
What is the mid-philtrum?
The mid point between the two vertical grooves under the nose
49
What is the mid-ramus?
The mid-point between condyle and the angle (gonion) of the mandible
50
What is the philtrum?
The two vertical grooves under the nose
51
What is the mandible?
The jaw
52
What is the nasion?
The intersection between the frontonasal structure and the median plane (dip between the eyes/above the nose)
53
What is the pogonion?
The most projecting point in the mid-sagittal plane of the chin
54
What is the prosthion?
The most anterior point on the maxiallary alveolar process in the midsagittal plane
55
What is the alveolar process?
The thickened ridge of bone that contains the tooth sockets on the bones that bare teeth
56
What are the bones that bare teeth?
The maxillary and the mandible
57
What is the rhinion?
The free border of the nasal bone in the mid-sagittal plane
58
What is the subnasale?
Point at which the septum and the upper lip merge in the mid-sagittal plane
59
What is the vertex?
The meeting point of the 4 cranial bones
60
What are the 4 cranial bones?
2 x Parietal Occipital Frontal
61
What is the zygion?
The most lateral part of the zygomatic arch
62
What is the zygomatic arch?
The cheekbones

A Forensic Anatomy (13 decks)

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