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ANP 1106 > Skull and face > Flashcards

Skull and face Flashcards

(77 cards)

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1
Q

How many bones are in the skull

A

22

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2
Q

Cranium is divided into _____ and _______

A

vault and base

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3
Q

What does the cranial vault consist of

A

Superior, lateral and posterior aspects of the skull and forehead

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4
Q

What does the cranial base consist of

A

Anterior, middle, and posterior cranial fossae

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5
Q

How many bones does the cranium have

A

8

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6
Q

What is the acronym used to remember the bones of the cranium

A

POSTOF

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7
Q

What are the 8 bones of the cranium

A

Parietal
Ethmoid
Sphenoid
Temporal
Occipital
Frontal

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8
Q

What are the two PAIRS of bones in the cranium

A

Parietal
Frontal

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9
Q

Supraorbital margin

A

Bulky bit over eye socket

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10
Q

Supraorbital foramen

A

Little holes for blood, nutrients etc in supraorbital margin

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11
Q

Glabella

A

Smooth part between eyebrows

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12
Q

What bone forms the roof of orbits

A

Frontal

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13
Q

What bone forms the anterior cranial fossa

A

Frontal

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14
Q

Cranial fossa

A

Formed by floor of cranial cavity

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15
Q

What bone forms the superior and lateral parts of the skull

A

Parietal bones

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16
Q

What bones are the bulk of the cranial vault

A

Parietal bones

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17
Q

What bones forms the base of the skull

A

Occipital bones

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18
Q

How many sutures with parietal bones? Where do they articulate

A

4
Frontal
Occipital
Temporal bones

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19
Q

What bone articulates anteriorly with parietal, temporal and sphenoid bones

A

occipital

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20
Q

What bone contains the foramen magnum

A

Occipital

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21
Q

Foramen magnum

A

Large hole at the base of the occipital bone for the spinal cord

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22
Q

Occipital condyles

A

Allows you to nod your head
Articulates with first cervical vertebrae

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23
Q

What bones form inferior and lateral parts of the skull

A

Temporal bones

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24
Q

What are the three different regions of the temporal bones

A

Squamous
Tympanic
Petrous

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25
Describe the squamous region of the temporal bones
Flat from the zygomatic process to the cheekbone (where mandible meets mandibular fossa)
26
Mandibular fossa
Oval depression behind zygomatic process for the condyles of the mandible to articulate with
27
What is a process
is a projection or outgrowth of tissue from a larger body
28
Describe the tympanic region of the temporal bones
Surrounds external auditory meatus
29
What is the petrous region of the temporal bone
Internal aspect of temporal bone that houses middle and inner ear cavities
30
Mastoid process - function and location
Major attachment for some neck muscles - temporal bones
31
Styloid process - function and location
Attachment area for tongue muscles and some neck muscles - petrous region of temporal bones
32
Sphenoid bone function
Forms base of middle cranial fossa Contributes to base of anterior cranial fossa
33
How many pairs of processes does the sphenoid bone have
3
34
What are the 3 pairs of processes belonging to the sphenoid bone
Greater wings Lesser wings Pterygoid processes
35
Central body of sphenoid bone contains what
sphenoid sinuses
36
Where does the ethmoid bone reside
Deep between orbits and nasal cavities
37
What is the function of the ethmoid bone
separates nasal cavity from the brain
38
What is a suture
Joint that does not move
39
What are the four main cranial sutures
squamous coronal sagittal lambdoid
40
Squamous suture
Connects parietal and temporal bones
41
Coronal suture
Connects frontal and parietal bones
42
Sagittal suture
Connects parietal bones
43
Lambdoid suture
Connects occipital and parietal sutures
44
sutural bones
Little bones along a suture due to extra ossification zones during development
45
How many facial bones do you have? Pairs?
14 bones, 6 pairs
46
What are the 14 facial bones
Mandible 2 nasal bones 2 nasal conchae 2 maxillae 2 zygomatic 2 lacrimal 2 palatine Vomer
47
What is the largest and strongest facial bone
Mandible
48
What is the name for the lower jaw bone
Mandible
49
Alveolar margins
Contains tooth sockets
50
What bone has the TMJ joint
Mandible
51
What is the internasal suture
Where the two nasal bones articulate
52
What do the nasal bones form
Bridge of the nose
53
How many pairs of nasal conchae bones are there
3
54
What do the superior and middle nasal conchae bones form
Ethmoid bone
55
What is the largest pair of nasal conchae bones
Inferior
56
What do the inferior nasal conchae bones form
Lateral wall of the nasal cavity
57
What is the keystone facial bone
Maxillary
58
What are the palatine processes
Two halves of the upper roof of your mouth
59
What do the palatine processes form
2/3 of the hard palate
60
What are the maxillary sinuses
The ones that often get infected On each side of the maxillae
61
Incisive fossa
Hole in the anterior portion of the roof of your mouth for blood vessels and nerves and shit
62
What are the zygomatic bones
Cheekbones
63
What are and where are the lacrimal bones
Fingernail shaped bones on front/inside portion of orbit
64
Lacrimal fossa
Depression in the lacrimal bones for the lacrimal sac
65
Lacrimal sac
reservoir for overflow of tears
66
what does the horizontal portion of the palatine bones form
some of the hard palate
67
What does the vertical portion of palatine bones form
Nasal cavities and orbits
68
What is the thin bone that forms the nasal septum
Vomer
69
What do the orbits encase
Eyes and lacrimal glands
70
Lacrimal glands
It continually releases fluid which cleanses and protects the eye's surface as it lubricates and moistens it
71
What are the 7 bones that form the orbits
Zygomatic Frontal Ethmoid Lacrimal Maxillae Sphenoid Palatine
72
What is the only bone that does NOT articulate with other bonse
Hyoid bone
73
Whats the function of they hyoid bone (2)
supports tongue attachment site for speech and swallowing muscles
74
What is the bone with a horseshoe shaped body
Hyoid bone
75
Function of paranasal sinuses (3)
Lighten skull enhance voice resonance help warm and humidify incoming air
76
What are the paranasal sinuses filled with
Air, but lined with mucus
77
What are the 4 kinds of paranasal sinues
Maxillary Frontal Ethmoid Sphenoid

ANP 1106 (13 decks)

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