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ANP 1106 > Skull and face > Flashcards

Skull and face Flashcards

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
Q

Describe the squamous region of the temporal bones

A

Flat
from the zygomatic process to the cheekbone (where mandible meets mandibular fossa)

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26
Q

Mandibular fossa

A

Oval depression behind zygomatic process for the condyles of the mandible to articulate with

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27
Q

What is a process

A

is a projection or outgrowth of tissue from a larger body

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28
Q

Describe the tympanic region of the temporal bones

A

Surrounds external auditory meatus

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29
Q

What is the petrous region of the temporal bone

A

Internal aspect of temporal bone that houses middle and inner ear cavities

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30
Q

Mastoid process - function and location

A

Major attachment for some neck muscles - temporal bones

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31
Q

Styloid process - function and location

A

Attachment area for tongue muscles and some neck muscles - petrous region of temporal bones

32
Q

Sphenoid bone function

A

Forms base of middle cranial fossa
Contributes to base of anterior cranial fossa

33
Q

How many pairs of processes does the sphenoid bone have

A

3

34
Q

What are the 3 pairs of processes belonging to the sphenoid bone

A

Greater wings
Lesser wings
Pterygoid processes

35
Q

Central body of sphenoid bone contains what

A

sphenoid sinuses

36
Q

Where does the ethmoid bone reside

A

Deep between orbits and nasal cavities

37
Q

What is the function of the ethmoid bone

A

separates nasal cavity from the brain

38
Q

What is a suture

A

Joint that does not move

39
Q

What are the four main cranial sutures

A

squamous
coronal
sagittal
lambdoid

40
Q

Squamous suture

A

Connects parietal and temporal bones

41
Q

Coronal suture

A

Connects frontal and parietal bones

42
Q

Sagittal suture

A

Connects parietal bones

43
Q

Lambdoid suture

A

Connects occipital and parietal sutures

44
Q

sutural bones

A

Little bones along a suture due to extra ossification zones during development

45
Q

How many facial bones do you have? Pairs?

A

14 bones, 6 pairs

46
Q

What are the 14 facial bones

A

Mandible
2 nasal bones
2 nasal conchae
2 maxillae
2 zygomatic
2 lacrimal
2 palatine
Vomer

47
Q

What is the largest and strongest facial bone

A

Mandible

48
Q

What is the name for the lower jaw bone

A

Mandible

49
Q

Alveolar margins

A

Contains tooth sockets

50
Q

What bone has the TMJ joint

A

Mandible

51
Q

What is the internasal suture

A

Where the two nasal bones articulate

52
Q

What do the nasal bones form

A

Bridge of the nose

53
Q

How many pairs of nasal conchae bones are there

A

3

54
Q

What do the superior and middle nasal conchae bones form

A

Ethmoid bone

55
Q

What is the largest pair of nasal conchae bones

A

Inferior

56
Q

What do the inferior nasal conchae bones form

A

Lateral wall of the nasal cavity

57
Q

What is the keystone facial bone

A

Maxillary

58
Q

What are the palatine processes

A

Two halves of the upper roof of your mouth

59
Q

What do the palatine processes form

A

2/3 of the hard palate

60
Q

What are the maxillary sinuses

A

The ones that often get infected
On each side of the maxillae

61
Q

Incisive fossa

A

Hole in the anterior portion of the roof of your mouth for blood vessels and nerves and shit

62
Q

What are the zygomatic bones

A

Cheekbones

63
Q

What are and where are the lacrimal bones

A

Fingernail shaped bones on front/inside portion of orbit

64
Q

Lacrimal fossa

A

Depression in the lacrimal bones for the lacrimal sac

65
Q

Lacrimal sac

A

reservoir for overflow of tears

66
Q

what does the horizontal portion of the palatine bones form

A

some of the hard palate

67
Q

What does the vertical portion of palatine bones form

A

Nasal cavities and orbits

68
Q

What is the thin bone that forms the nasal septum

A

Vomer

69
Q

What do the orbits encase

A

Eyes and lacrimal glands

70
Q

Lacrimal glands

A

It continually releases fluid which cleanses and protects the eye’s surface as it lubricates and moistens it

71
Q

What are the 7 bones that form the orbits

A

Zygomatic
Frontal
Ethmoid
Lacrimal
Maxillae
Sphenoid
Palatine

72
Q

What is the only bone that does NOT articulate with other bonse

A

Hyoid bone

73
Q

Whats the function of they hyoid bone (2)

A

supports tongue
attachment site for speech and swallowing muscles

74
Q

What is the bone with a horseshoe shaped body

A

Hyoid bone

75
Q

Function of paranasal sinuses (3)

A

Lighten skull
enhance voice resonance
help warm and humidify incoming air

76
Q

What are the paranasal sinuses filled with

A

Air, but lined with mucus

77
Q

What are the 4 kinds of paranasal sinues

A

Maxillary
Frontal
Ethmoid
Sphenoid

ANP 1106 (13 decks)

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