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SF2 1 > Skull > Flashcards

Skull Flashcards

1
Q

Describe a suture joint

A

fibrous connective tissue joint between bones

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2
Q

How can age be estimated from looking at the skull

A

extent of suture fusion

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3
Q

Name for skull cap

A

calvarium

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4
Q

Bones of the calvarium

A

1) Frontal
2) Parietal x 2
3) Occipital
4) Temporal x 2
5) Sphenoid

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5
Q

Lobes of the cerebral cortex

A

1) frontal
2) parietal
3) occipital
4) temporal

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6
Q

Midpoint of coronal suture

A

bregma

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7
Q

Midpoint of lamboidal suture

A

lambda

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8
Q

Junction of temporal, sphenoid, parietal, and frontal bones

A

pterion

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9
Q

Skull fractures in this region can lead to epidural hematoma

A

pterion

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10
Q

Can be used to access superior sagittal venous sinus in neonates

A

anterior fontanelle

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11
Q

Soft spots that permit cranial compression at birth

A

fontanelles

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12
Q

Location of anterior fontanelle

A

bregma

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13
Q

Location of posterior fontanelle

A

lambda

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14
Q

Location of lateral fontanelle

A

pterion

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15
Q

Middle layer of skull with soft spongy bone

A

diploe

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16
Q

Layers of skull where hard cortical bone is found

A

inner and outer tables

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17
Q

Three courses of emissary veins

A

1) scalp to diploe
2) scalp to sinus
3) diploe to sinus

18
Q

Run from surface of brain (cerebral vein) to venous sinus

A

bridging vein

19
Q

Epidural hematoma is bleeding of…

A

meningeal arteries

20
Q

Blood supply to outer surface of calvarium

A

arteries to scalp

21
Q

Blood supply to inner surface of calvarium

A

meningeal arteries

22
Q

Layers of the scalp, superficial to deep

A

1) skin
2) connective tissue
3) epicranial aponeurosis
4) loose areolar tissue
5) periosteum

23
Q

Origin of emissary veins. Surrounds arteries and veins in the scalp.

A

connective tissue

24
Q

Tendinous sheet attaching to the scalp muscles; moveable anteriorly and posteriorly; lateral attaches to temporalis fascia

A

epicranial aponeurosis

25
Q

Loosely connects aponeurosis and periosteum in calvarium; crossed by emissary veins

A

loose areolar tissue

26
Q

(Scalp) infections can readily spread though loose areolar layer deep to _____ _____

A

epicranial aponeurosis

27
Q

Connective tissue layer on outer side of calvarium

A

periosteum

28
Q

V1 / Opthalmic division nerves to skin above orbit

A

1) lacrimal nerve
2) supraorbital nerve
3) supratrochlear nerve
4) infratrochlear nerve
5) external nasal nerve

29
Q

Clinical test of supra orbital nerve (V1)

A

touch forehead

30
Q

Zygomaticotemporal nerve

A

From V2 / Maxillary division. Innervates skin of cheek below orbit

31
Q

Innervates skin above orbit

A

V1

32
Q

Innervates skin of cheek below orbit

A

V2

33
Q

Innervates skin of jaw and face below angle of mouth

A

V3

34
Q

Auriculotemporal nerve

A

From V3 / Mandibular division. Innervates skin of jaw and face below angle of mouth

35
Q

Arterial supply to the scalp

A

Branches of the internal and external carotid arteries

36
Q

Branches of the opthalmic artery on the scalp

A

supra orbital and supratrochlear arteries

37
Q

Branches of the external carotid artery on the scalp

A

1) superficial temporal artery
2) posterior auricular artery
3) occipital artery

38
Q

Contains sockets for upper teath

A

alveolar process of maxillary bone

39
Q

Contains sockets for lower teeth

A

alveolar process of mandible

40
Q

Common fractures of the zygomatic arch

A

1) zygomatic bone
2) zygomatic process of maxillary bone
3) zygomatic process of temporal bone

41
Q

Location of pituiutary gland

A

sella turcica

42
Q

Sloped bone feature posterior to sella turcica

A

clivus

SF2 1 (13 decks)

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