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DMD 5221 > 6 - Axial Skeleton (complete) > Flashcards

6 - Axial Skeleton (complete) Flashcards

1
Q

there are 80 bones in the axial skeleton, How many are skull bones, how many are associated bones, how many are in the vertebral column, and how many are in the thoracic cage

A

22 in the skull
7 associated bones
26 in the vertebral column
25 in the thoracic cage

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2
Q

What is the cranium

A

the skull without the mandible

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3
Q

what is the calvarium

A

the “skull cap”

the top part of the skull

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4
Q

What is the is the viscerocranium

A

facial skeleton

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5
Q

What is the neurocranium

A

the cranial vault (part that holds the brain)

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6
Q

What are the bones of the neurocranium 8

A 
frontal
2- parietal
2- temporal
occipital
sphenoid
ethmoid
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7
Q

what are the bones of the visceriocranium 14

A 
2 - maxilla
2- zygomatic
2- nasal
2- lacrimal
2 -inferior conchae
2 - palatine
mandible 
vomer
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8
Q

What are the three cranial fossa and what do they hold

A

anterior cranial fossa - frontal lobe
middle cranial fossa - temporal lobe
posterior cranial fossa - cerebellum

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9
Q

What are the 7 bones associated with the skull

A

2 - stapes
2 - incus
2 - malleus
hyoid

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10
Q

What are the major sutures of the skull (4)

A

coronal
sagittal
lambdoid
squamous suture

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11
Q

What are the minor sutures of the skull, and what do you call the location in which they all are

A

sphenosquamous
sphenofrontal
sphenoparietal

The location where they are all found is called the Pterion

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12
Q

What bones make up the orbit of the eye 7

A 
frontal 
sphenoid
lacrimal
Maxilla
Zygomatic
palatine
ethmoid
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13
Q

What are the 4 paranasal sinuses

A

frontal sinus
sphenoid sinus
ethmoid air cells
maxillary sinus

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14
Q

what are the fontanelles in a infants skull (5)

A

anterior
posterior
sphenoidal
mastoid

Metopic (frontal) suture

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15
Q

What bones does the occipital bone articulate with (4)

A

parietal
sphenoid
temporal
Atlas

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16
Q

What are the important landmarks on the occipital bone

A

external occipital protuberance
external occipital crest
occipital condyles

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17
Q

What are the foramen of the occipital bone

A

hypoglossal canal
occipital canal
foramen magnum
jugular foramen

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18
Q

What are the bones the parietal bone articulates with (5)

A 
other parietal bone
occipital 
frontal
temporal 
sphenoid
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19
Q

What is the important parietal bone landmark

A

superior temporal line

inferior temporal line

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20
Q

What bones does the frontal bone articulate with (7)

A 
parietal 
sphenoid
ethmoid
nasal
lacrimal
zygomatic
maxilla
21
Q

What are the important landmarks of the frontal bone

A 
zygomatic process
supraorbital margin
frontal squama
glabella
superciliary arch
frontal crest
frontal sinus
22
Q

what bones does the temporal bone articulate with (5)

A 
parital
occipital
mandible
sphenoid
zygomatic
23
Q

What are the important landmarks of the temporal bone

A

zygomatic process
mandibular fossa
mastoid process
styloid process

24
Q

what are the foramen of the temporal bone

A 
foramen lacerum
External acoustic meatus
internal acoustic meatus
carotid canal
stylomastoid foramen
25
Q

What bones does the sphenoid articulate with (9)

A 
occipital 
parietal 
frontal
temporal
maxilla
zygomatic
ethmoid
palatine
vomer
26
Q

What are the important landmarks of the sphenoid bone

A 
lesser and greater wings
sella turcica
sphenoid sinus
pterygoid fossa
sphenoid spine
medial and lateral pterygoid plates (both with pterygoid processes)
27
Q

what are the foramen of the frontal bone

A

supraorbital foramen

supraorbital notch

28
Q

what are the foramen of the sphenoid

A 
foramen ovale
foramen spinosum
foramen lacerum
optic canal
superior orbital fissure
foramen rodtundum
inferior orbital fissure
29
Q

What bones articulate with the ethmoid (8)

A 
sphenoid
palatine
inferior nasal conchae
vomer
lacrimal 
maxilla
frontal
nasal
30
Q

What are the important ethmoid landmarks

A 
crista gali
superior nasal conchae
middle nasal conchae
perpendicular plate
cribriform plate
31
Q

what is the most important ethmoid landmark

A

olfactory foramina

32
Q

What makes up the nasal septum (5)

A 
perpendicular plate of ethmoid
vomer
cartialge of septum
crest of maxillary bone
crest of palatine bone
33
Q

What bone does the maxilla articulate with

A

all facial bones except the mandible

and the frontal and ethmoid bones

34
Q

What are the imporatant maxillary bone landmarks

A 
alveolar processes and margin
anterior nasal spine
palatine process
maxillary tuberosity
Maxillary tuberosity
MAxillary sinus
35
Q

What are the foramina of the frontal bone

A

infraorbital foramen and canal
nasolacrimal canal
incisive fossa and canal

36
Q

Which bones articulate with the palatine bones (5)

A 
ethmoid
sphenoid
maxilla
inferior nasal chonchae
vomer
37
Q

what are the landmarks of the palatine bone

A

horizontal plate

38
Q

What are the foramina of the palatine bone

A

greater palatine foramen
lesser palatine foramin
choanae

39
Q

What makes up the hard palate

A

palatine process of maxilla
horizontal plates of palatine bone
transverse palatine suture
medial palatine suture

40
Q

What bones articulate with the zygomatic bone (4)

A

maxilla
sphenoid
frontal
temporal

41
Q

What are the landmarks of the zygomatic bone

A

temporal process

42
Q

What bones articulate with the lacrimal bones (3)

A

frontal
maxilla
ethmoid

43
Q

what bones articulate with the nasal bones (3)

A

frontal bone
maxilla
ethmoid

44
Q

What bones articulate with the inferior nasal conchae

A

maxilla
vomer
ethmoid
palatine

45
Q

What bones articulate with the vomer articulations

A 
maxilla
sphenoid
ethmoid
palatine 
nasal septum, cartilagenous portion
46
Q

What are the articulations of the mandible

A

mandibular fossa of temporal bones

47
Q

What are the landmarks of the mandible

A 
body
ramus
angle
coronoid process
condylar process
mandibular notch
alveolar processes
48
Q

What are the foramina of the mandible

A

mandibular and mental foramen

DMD 5221 (10 decks)

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