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A+P: Skeletal > The Skull > Flashcards

The Skull Flashcards

(70 cards)

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1
Q

Sagittal Suture

A

attaches the two parietal bones

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2
Q

Coronal Suture

A

attaches frontal and parietal bones

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3
Q

Squamosal Suture

A

attach the temporal bones to parietals on the sides of the skull

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4
Q

Lambdoidal Suture

A

triangular suture, attach occipital to parietals

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5
Q

Wormian Bones

A

AKA sutural bones, gaps between sutures that are filled with bone

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6
Q

Anterior/frontal fontanel

A

top soft spot

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7
Q

Posterior/occipital fontanel

A

back of head soft spot

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8
Q

Anterolateral/spenoidal fontanels

A

temple soft spots

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9
Q

Posterolateral/mastoidal fontanels

A

back of ear soft spots

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10
Q

Paranasal sinuses

A

drain into nasal cavity

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11
Q

frontal sinus

A

hole in forehead above eyes

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12
Q

sphenoidal sinus

A

behind eyeballs

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13
Q

ethmoidal sinus

A

in between eyes

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14
Q

maxillary sinus

A

big space below eyes

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15
Q

mastoid sinus

A

hollow behind ear, makes skull lighter and is good for sound reasonance

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16
Q

blood sinus sulci

A

grooves on the inside of the cranium created by veins called sinuses

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17
Q

superior sagittal sulcus

A

groove on inside middle top of skull (brain drain vein)

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18
Q

transverse sulci

A

split off from superior sagittal sulcus at back of skull

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19
Q

sigmoid sulci

A

connect to transverse sulci, s-shaped grooves on inside bottom of skull

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20
Q

frontal bone structures

A

superciliary arch, glabella, supraorbital margin, supraorbital notch

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21
Q

superciliary arch

A

eyebrow bumps

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22
Q

glabella

A

bump where eyebrows meet

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23
Q

supraorbital margin

A

top edge of eye socket

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24
Q

supraorbital notch

A

notch in inner corner of top of eye socket

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25
foramen magnum
big hole at bottom of skull
26
occipital condyles
two bumps on outside bottom of skull to the sides of the foramen magnum
27
hypoglossal canal
holes through the occipital condyles
28
external occipital protruberance
bump at base of skull
29
superior nuchal line
line running through base of skull
30
inferior nuchal line
smaller line below superior nuchal line
31
the two nuchal lines attach
neck muscles
32
squamous temporal portion
flat outside of temporal bones at the sides of the heads
33
zygomatic process
ridge on side of skull
34
mastoid temporal portion
space behind and including the ear
35
mastoid process
bump behind ear
36
petrous temporal portion
behind and underneath the ear
37
external auditory meatus
ear hole
38
mandibular fossa
socket for jaw
39
styloid process
spike under the ear for tongue muscles to attach to
40
stylomastoid foramen
hole between styloid and mastoid processes
41
jugular fossa
groove medial to styloid process
42
jugular foramen
hold behind jugular fossa, mouth of shark
43
carotid canal
round hold in front of jugular foramen
44
internal auditory meatus
hole on inside of skull in groove, shark eye
45
sinus
open space in an organ or bone for the collection of air or fluid
46
cranium
dome where brain lives
47
face
all the crap in front
48
articulation
when bones come together
49
skull grows around
the brain
50
condyles allow
rocking motion
51
bumps are for
muscle attachment
52
sphenoid bone
locks all bones together
53
greater sphenoid wings
big dips (inside bottom skull)
54
lesser sphenoid wings
top flat ridge, inside skull
55
sella turcica
consists of chiasmatic groove and hypophyseal fossa
56
chiasmatic groove
bat forehead
57
hypophyseal fossa
divot below chiasmatic groove, bat mouth
58
optic foramen
gremlin eyes
59
superior orbital fissure
teardrop holes at attachment of bat wings
60
pterygoid processes
medial and lateral underskull ridges
61
foramen rotundum
round hole under superior orbital fissure
62
foramen ovale
oval hold below foramen rotundum
63
horizontal/ cribriform plate
divots to either side of crista galli
64
crista galli
ridge on front inside of skull
65
perpendicular plate
top part of septum
66
vomer
bottom part of septum
67
lateral masses
rectangle on medial inside of eye socket
68
inferior turbinates
small curves at bottom of nasal cavity
69
middle turbinates
top curves you can see in nasal cavity
70
superior turbinates
very small turbinates in the very back of nasal cavity

A+P: Skeletal (17 decks)

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