Osteology of the skull Flashcards
Start on s:32
1
Q
_____ are bones that surround the brain
A
Neurocranium
2
Q
Name the 6 neurocranium bones
A
- frontal (1)
- parietal (2)
- temporal (2)
- occipital (1)
- ethmoid (1)
- sphenoid (1)
*8 bones all together
3
Q
Name the 8 viscerocranium bones
A
- Nasal (2)
- Lacrimal (2)
- Vomer (1)
- Inferior conchae (2)
- Zygomatic (2)
- Maxillae (2)
- Palatine (2)
- Mandible (1)
*14 bones all together
4
Q
____ bones are the bones of the face
A
viscerocranium
5
Q
TMJ is a _____ joint
A
condyloid
6
Q
_____eminence is the name of the two bumps on the frontal bone (forehead)
A
frontal eminence
7
Q
_____ eminence are the primary ossification centers on the top/side of the head
A
parietal eminence
8
Q
_____ arch is where our eyebrows are
A
superficial ciliary arch
9
Q
______ is the area in btw the superficial ciliary arch
A
glabella
10
Q
*** _____ is the point at which the internasal and frontal suture meet
A
Nasion
11
Q
***The nasion is where the _____ and ____ sutures meet
A
internasal and frontal sutures meet
12
Q
???? anterior ______ is where the nasal bones come together above the maxilla
A
anterior nasal spine
13
Q
_______ notch/ foramen is located right above the eye socket
A
supraorbital notch/ foramen
14
Q
______ foramen is located underneath the eye on the maxilla
A
infraorbital foramen
15
Q
the infraorbital foramen is located on the ____ bone
A
maxilla
16
Q
The supraorbital foramen is located on the ____ bone
A
frontal bone
17
Q
c.c If some one is unconcious the dr will press in this location to illiciate a response
A
supraorbital notch/foramen
18
Q
_______ foramen is located on the zygomatic bone
A
zygomaticofacial foramen
19
Q
_____ foramen is located on the mandible
A
mental foramen
menthol gum- chew with the mandible
20
Q
name the 4 nerves located in the skull that are branches of the trigeminal N.
A
- supraorbital
- infraorbital
- zygomaticofacial
- mental
21
Q
_____ bone form the sides and roof of the cranium.
A
parietal bone
22
Q
______bones are situated at the sides and base of the skull
A
temporal bone
23
Q
The mastoid is apart of which bone ?
A
temporal
24
Q
_____ & ______ fissure make up the hole in the back of the eye socket
A
superior & inferior orbital fissure
25
______ is the opening of the optic canal
optic foramen
26
_____ suture is between the two parietal bones of the skull
sagittal suture
27
_____ suture connects the parietal bones with the occipital bone
lambdoid suture
28
_____ suture connects the occipital and mastoid process
occipitalmastoid suture
29
ligamentum nuchae and trapezius muscle attach to ______
inion
30
_____ is the most prominent projection of the occipital bone at the posterioinferior (lower rear) part of the skull.
inion
31
____highest point of the external occipital protuberance.
EOP
32
the infra-orbital foramen is located on the _____bone
maxilla
33
_____ foramen is located on the zygomatic
zygomaticofacial foramen
34
The supra-orbital foramen is located on the ____ bone
frontal
35
The superior and inferior orbital fissure is located on the _____ bone
sphenoid
36
The nasal septum is the fleshy portion that is in connect with with two bones?
perpendicular plate of the ethmoid
| vomer
37
The alveolar processes are located on which two bone?
maxilla
| Mandible
38
The mental protuberance is located on which bone
mandible
39
The supra orbital margin is made up of which bone?
frontal
40
the infra orbital margin is made up of what two bones
maxilla
| zygomatic
41
The middle nasal concha made from the ____ bone
ethmoid
42
Pterion suture is made up of what 4 bones?
frontal
parietal
temporal
sphenoid
43
Temporal fossa is located on which bones?
parietal and temportal bone
44
Another name for the inion
external occipital protuberance
45
External acoustic meatus opening is located on what bone?
temporal
46
_____ lies in front of the mastoid process,
tympanic part of the temporal bone
47
____ surrounds the external acoustic meatus.
tympanic part of the temporal bone
48
styloid process is located on the ____ bone
temporal
49
What two bones make up the zygomatic arch?
zygomatic
| temporal
50
What bone does the coronoid process lie on ?
mandible
51
???______ lies anterior to the coronoid process
zygomatic bone
52
What makes up the lateral boundary of the nose
frontal process ( of the maxilla)
53
what makes up the lateral border of the eye orbital
frontal process of zygomatic bone
54
What bones surround the greater wing of the sphenoid
frontal
parietal
temporal
zygomatic
55
What to bones meet at the coronal suture
frontal
| parietal
56
What bones meet at the asterion suture
occipital
parietal
temporal
57
______ is the point at which the coronal and sagittal sutures meet
bregma
58
name the 4 foramen where the trigeminal nerve exits to innervate the face
supraorbital
infraorbital
mental
zygomaticofacial
59
Which CN supplies sensory innervation to the face
trigeminal N.
60
_____ is the highest point of the skull
vertex
61
C.c. if there is a epidural hematoma, where would the fracture most likely be?
pterion
62
The pterion is located over the _____ on the left side
brocha's area
63
c.c. patient has been hit in the head and is now experiencing motor aphasia. Where is the problem located?
fracture is most likely on the left side around the pterion suture
- brocha's area was affected
64
_____ is an extra bone created by the sutures
wormion
- caused by a failure of the suture to completely close
65
______ runs perpendicular to the inferior/ superior nuchal line
external occipital protuberance
66
________ is the raised area that comes off of the middle of the superior nuchal line
EOP (external occipital protuberance)
aka inion
67
The styloid process is located on what bone?
temporal
68
the mastoid process is located on which bone?
temporal
69
the hypoglossal canal is located on the ___ bone
occipital
- by the foramen of magnum
70
the jugular foramen borders are made up of the ___ & ____ bone
temporal & occipital
71
flat inside area of the occipital is called the basilar part of the occipital bone... what is another name for it?
clivus
- shallow depression behind the dorsum sellae
72
The dorsum sellae is located on the ____bone
sphenoid
- has a tubercle on each side
73
_____ articulates with the superior facet of C1
occipital condyles
74
What is the primary movement done on the occipital condyle?
knodding
75
_____ foramen is located behind the carotid canal
jugular foramen
76
The jugular foramen is formed by the _____ bone
petrous portion of the temporal bone
77
What nerves run through the jugular foramen?
CN 9, 10, 11
| - glossopharyngeal, vagus, accessory
78
Vein that travels through the jugular foramen
internal jugular vein
79
Where is the carotid canal located?
petrous portion of the temporal bone
80
What passes through the carotid canal?
internal carotid art.
81
What is the internal opening of the carotid canal?
foramen lacerum
82
the foramen lacerum is the internal opening for what canal?
carotid canal
83
foramen _____ is located lat. to the foramen ovale on the sphenoid bone
foramen spinosum
(foramen ovali and spinosum both begin with "foramen" - & both located on the sphenoid bone)
- ovali is a bigger hole of the two
84
The foramen ovale is located on what bone?
sphenoid bone
85
What does the horizontal plate make up?
palatine
86
______ makes up the hard palate
horizontal plate
87
________: thickened ridge of bone that contains the tooth sockets on bones that bear teeth.
alveolar process
88
What three sutures make up the cruciform suture ?
1. interpalatine (back one)
2. palatine maxillary (btw max. and pal.)
3. Intermaxillary (front)
89
the choana is the ____
post. nasal aperture
90
choana (post. nasal aperature) is made of the ____ bone
palatine
91
The manbibular fossa (and articulatine) is located on what bone?
temporal
92
What is the articulation that creates the TMJ joint ?
mandbular fossa on the temporal bone
93
____ is the termination of the facial canal and transmits the facial N.
stylomastoid foramen
- btw the styloid and mastoid process
94
cc: The mastoid process is not developed in a baby. When the baby cries there is asymetry. What nerve is most likely damaged?
facial N
95
_____ is the hardest portion of the temporal bone
petrous portion
96
What 6 structures pass through the foramen magnum
1. vertebral art
2. SC
3. assessory N (CN11)
4. tectoral lig
5. dura mater
6. medulla oblongata
97
9 bones that make up the nasal cavity
```
ethmoid *
frontal *
inferior nasal concha
lacrimoid *
maxilla *
nasal
palatine *
sphenoid *
vomer
```
98
7 bones that make up the eye orbital
```
ethmoid *
frontal
lacrimoid *
maxilla *
palatine *
sphenoid *
zygomatic
```
