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Anatomy > Axial Skeleton: Skull > Flashcards

Axial Skeleton: Skull Flashcards

1
Q

What is the axial skeleton?

A

Head spind and ribs

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2
Q

How many cranial bones?

A

8

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3
Q

How many facial bones?

A

14

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4
Q

What is th name for the dome of the skull?

A

Calvaria

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5
Q

What composes the nasal septum?

A

Bone and cartilage

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6
Q

What are the four paranasal sinuses?

A

Sphenoidal, maxillary, frontal, and ethmoidal

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7
Q

What is the supraorbital margin?

A

The bone that is underneath the eyebrow

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8
Q

What is the supraorbital foramen?

A

Place in supraorbital margin that allows the passage of vessels and a nerve

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9
Q

Where is the frontal crest?

A

Interior anterior surface of the front bone

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10
Q

What is the falx cerebri?

A

Sickle shaped sheet of connective tissue that primarily partitions the largest part of the brain into left and right

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11
Q

Where are the temporal bones?

A

They form the lower sides and floor of the cranium

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12
Q

What is in the petrous region?

A

The internal auditory canal and the carotid canal

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13
Q

Where is the petrous region?

A

In the temporal bones

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14
Q

What is the purpose of the carotid canal?

A

Alow passage of internal carotid artery

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15
Q

Which foramen is closed off?

A

Foramen lacerum

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16
Q

What foramen is between the temporal and occipital bones?

A

Jugular foramen

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17
Q

What is the mastoid region?

A

Are right behind the earlobe

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18
Q

What is a prolonged middle ear infection?

A

Ottis media

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19
Q

What can ottis media also cause?

A

Mastoiditis

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20
Q

What is a sqaumous region?

A

The lateral flat surface of the temporal bone

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21
Q

What is the temporomandibular joint?

A

Articulation of the jaw to the squamous region

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22
Q

What is in the tympatic region?

A

External acoustic meatus and syloid process

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23
Q

What is the styloid process?

A

Where the tongue connects

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24
Q

Where is the occipital bone?

A

The back of the skull

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25
Q

What are the occipital condyles purpose?

A

Rock back and forth on the first vertebrae to create the yes motion

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26
Q

What connects to the internal occipital crest?

A

Fawx cerebri

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27
Q

What ridges are on the posterior of the occipital bone?

A

Superior nuchal line and inferior nuchal line

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28
Q

What bone resembles a bat?

A

Spenoid

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29
Q

What is another name of the sphenoid bone?

A

Bridging bone

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30
Q

Does the sphenoid have any sinuses?

A

Yes the sphenoidal sinuses

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31
Q

Where is the sella turcica?

A

The sphenoid bone

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32
Q

What is housed in the sella turcica?

A

The pituitary gland

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33
Q

What can happen to the pituitary gland if there is sudden tramatic shifting?

A

It can sever the pituitary stalk

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34
Q

What are the foramen in the sphenoid?

A

Optic, rotundum, ovale, Spinosum, superior orbital fissure, and the lacerum

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35
Q

What is in the optic foramen?

A

Optic nerve

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36
Q

What goes through the foramen rotundum?

A

Cranial nerve 5
Maxillary nerve

37
Q

Where do dentists normally inject anesthetic for the maxillae?

A

Just below the foramen rotundum

38
Q

Where do dentists inject anesthetic for the manible?

A

The foramen ovale

39
Q

What goes through the foramen ovale?

A

Cranial nerve 5

40
Q

What is special about the foramen lacerum?

A

It’s completely closed off in a living person

41
Q

What bone is between the orbits and contributes to the roof of the nasal cavity?

A

Ethmoid bone

42
Q

Where do the ethmoid sinuses drain?

A

Nasal cavity

43
Q

What is the most superior portion of the ethmoid?

A

The Crista galli (cocks comb)

44
Q

What is most inferior portion of the ethmoid?

A

The perpendicular plate

45
Q

What is the anterior attachment site of the falx cerebri?

A

Crista galli

46
Q

What is immediately lateral to the Crista galli?

A

The cribriform plate

47
Q

What is another name of the olfactory nerve?

A

Cranial nerve 1

48
Q

What is the weak bone in the ethmoid?

A

The cribriform plate

49
Q

What passes through the cribriform plate?

A

Cranial nerve 1

50
Q

What can a broken cribriform plate lead too?

A

Deadly meningitis

51
Q

What forms the bony prominence of the cheeks?

A

The zygomatic bones

52
Q

What drains just inferior to the inferior nasal conchae?

A

Tear ducts

53
Q

What forms part of the medial wall of each orbit?

A

Lacrimal bones

54
Q

What allows passage to the tear ducts?

A

Lacrimal groove

55
Q

What bone contributes to the roof of the nasal cavity?

A

Nasal bones

56
Q

What is a common facial injury?

A

Fracture of nasal bones and damage to the cartilage

57
Q

What facial bones are not paired?

A

Vomer and mandible

58
Q

What forms the posterior inferior portion of the nasal septum?

A

Vomer

59
Q

What projects into the nasal cavity just below the superior and middle nasal conchae?

A

Inferior nasal conchae

60
Q

What covers the inferior nasal conchae?

A

Highly vascular moist mucus membranes

61
Q

What L shaped bone contributes to the posterior walls and floor of the nasal cavity and a small contribution to the floor of the orbits?

A

Palantine bones

62
Q

What bone unites at the midline to form the upper jaw?

A

Maxillae

63
Q

What contains the teeth in the maxillae?

A

Alveoli

64
Q

What forms the anterior portion of the hard plate?

A

Palatine bones

65
Q

What can cause a problem with nursing?

A

Cleft palate

66
Q

What is the name of the condition when the maxillae don’t form correctly?

A

Cleft palate

67
Q

What is crepitus?

A

Cracking sound caused by gas or broken bone under the skin

68
Q

What is a blowout fracture?

A

Fracture in the floor of orbits that causes muscles to drop into the maxillary sinus

69
Q

What bone forms the lower jaw?

A

Mandible

70
Q

What are the largest sinuses in the head?

A

Maxillary sinuses

71
Q

Which sinus have very poor drainage?

A

Maxillary sinuses

72
Q

What is the most commonly infected sinus?

A

Maxillary

73
Q

What is inferior to the squamous portion of the temporal bone?

A

Mandibular condyle

74
Q

What is the name for the articulation of the mandibular condyle and the mandibular fossa?

A

Temporomandibular joint (TMJ)

75
Q

Where do the mucles that help open and close the mouth connect?

A

Coronoid process

76
Q

What is in the mandibular foramen?

A

Cranial nerve 5

77
Q

What part of the nasal complex is made of nasal bones, cribriform plate, frontal and sphenoid bones?

A

Roof

78
Q

What part of the nasal complex is made of the palatine process and horizontal plates of palatine bones?

A

Floor

79
Q

What part of the nasal complex is made of ehtmoid bone, maxillae, inferior nasal conchae, palatine bones, and lacrimal bones?

A

Walls

80
Q

What part of the nasal complex is made of septal nasal cartilage, ethmoid, and vomer?

A

Septum

81
Q

What are the three auditory ossicles?

A

Malleus (hammer), Incus (Anvil), and the Stapes (stirrup)

82
Q

What bone is between the mandible and larynx?

A

Hynoid

83
Q

What bone doesn’t directly articulate with any other bone?

A

Hynoid

84
Q

What are the soft parts of the skull?

A

Fontanels

85
Q

What is an indication of dehydration in babies skulls?

A

Sunken fontanels

86
Q

What can bulging fontanels indicate?

A

Meningitis and infection

87
Q

What skull structure fuses first?

A

Coronal suture

88
Q

What part of the skull might never fuse?

A

Squamosal suture

Anatomy (18 decks)

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