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4 BAB > AP09 Blood Supply of Intracranial Tissues > Flashcards

AP09 Blood Supply of Intracranial Tissues Flashcards

1
Q

What are the 4 main arteries to the head and neck?

A

External Carotid arteries
Internal Carotid arteries
Vertebral arteries
Thyrocervical trunk

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2
Q

What are the branches of the external carotid arteries?

A 
Superior Thyroid
Ascending Pharyngeal
Lingual
Facial
Occipital
Posterior Auricular
Maxillary
Superficial Temporal
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3
Q

What does the superior thyroid artery supply?

A

thyroid
infrahyoid muscles
SCM

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4
Q

What does the ascending pharyngeal artery supply?

A

pharynx
prevertebral muscles
middle ear
cranial meninges

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5
Q

What does the lingual artery supply?

A

tongue

mouth floor

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6
Q

What does the facial artery supply?

A

tonsils
palate
submandibular glands

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7
Q

What does the occipital artery supply?

A

posterior scalp

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8
Q

What does the posteiror auricular artery supply?

A

parotid gland
facial nerve
ear
scalp

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9
Q

What does the maxillary artery supply? (11)

A 
external acoustic meatus
tympanic membrane
dura mater
calvaria
mendible
gingivae
teeth
temporal muscle
pterygoid muscle
masseter muscle
buccinator muscle
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10
Q

What does the superficial temporal artery supply?

A

temporal scalp

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11
Q

What are the key internal carotid arteries?

A 
cervical
petrous
lacerum
Cavernous
clinoid
Ophthalmic
Communicating
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12
Q

What are the branches of the petrous internal carotid artery?

A

caroticotympanic artery

vidian artery

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13
Q

What are the branches of the cavernous internal carotid artery?

A 
tentorial basal artery
tentorial marginal artery
meningeal artery
clivus
inferior hypophyseal arteries
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14
Q

What are the branches of the ophthalmic internal carotid artery?

A

ophthalmic artery

superior hypophyseal arteries

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15
Q

What are the branches of the communicating internal carotid artery?

A

posteiror communicating arteries
anterior choroidal arteries
anterior cerebral arteries
middle cerebral arteries

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16
Q

What structure does the internal carotid artery ascend within?

A

carotid sheath

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17
Q

Where does the internal carotid artery enter the brain?

A

carotid canal

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18
Q

Distal to the cavernous sinus, each branch of the internal carotid artery gives off…

A

opthalmic artery
posteiror communicating artery
anteiror choroidal artery
anterior cerebral artery

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19
Q

What does the ophthalmic artery supply?

A

orbit

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20
Q

What does the posteiror communicating artery do?

A

connecting vessel to circle of Willis

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21
Q

What does the anterior choroidal artery supply

A

motor control and vision

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22
Q

What does the anterior cerebral artery supply?

A

cerebrum

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23
Q

What does the middle cerebral artery supply?

A

cerebrum

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24
Q

What do the vertbral arteries originate from?

A

subclavian arteries

25
Q

What branches do the vertebral arteries give off before the cranium?

A

meningeal
muscular
spinal

26
Q

How do the vertebral arteries enter the cranial vault?

A

foramen magnum

27
Q

What does the meningeal branch of the vertebral artery supply?

A

falx cerebelli

28
Q

What do the anterior and posteiror spinal arteries supply?

A

spinal cord

29
Q

hat do the posterior inferior cerebellar arteries supply?

A

cerebellum

30
Q

How do the vertebral arteries terminate?

A

anastomosing as the basilar artery

31
Q

What are the 4 key branches of the thyrocervical trunk?

A

inferior thyroid artery
ascending cervical artery
transverse cervical artery
suprascapular artery

32
Q

What structures are supplied by the thyrocervical trunk?

A 
thyroid
lateral muscles of upper neck
levator scapulae
rhomboids trapezius
SCM
surrounding structures
33
Q

What are the 3 main paired bits of the circle of willis?

A

anterior cerebral arteries
internal carotid arteries
posterior cerebral arteries

34
Q

What are the 2 connecting vessels of the circle of willis?

A

anterior communicating artery

posterior communicating artery

35
Q

Where is the circle of willis located>?

A

interpenduncular cistern of the subarachnoid space

36
Q

What are the 3 cerebral arteries?

A

anterior
middle
posterior

37
Q

Which vein drains the superior surface of the cerebrum?

A

superior cerebral veins

38
Q

What does the superficial middle cerebral vein drain?

A

lateral brain surfaces

39
Q

What do the inferior cerebral veins drain?

A

inferior cerebrum

40
Q

Which vein drains the superficial middle cerebral vein?

A

superior anastomotic vein

41
Q

What does the inferior anastomotic vein drain?

A

superficial middle cerebral vein

42
Q

What drains into the superior sagittal sinus?

A

superior cerebral veins

superior anastomotic vein

43
Q

What drains into the cavernous sinus?

A

superficial middle cerebral vein

inferior cerebral veins

44
Q

What drains into the sphenopalatine sinus?

A

superficial middle cerebral vein

45
Q

What drains into thesuperior sagittal sinus?

A

superior anastomotic vein

46
Q

What drains into the transverse sinus?

A

inferior cerebral vein

inferior anastomotic vein

47
Q

What 2 veins comprise the deep drainage systems of the brain?

A

Subependymal veins

Medullary veins

48
Q

what connects medullary veins to the dural venous sinuses?

A

subependymal veins

49
Q

Where do the medullary veins originate?

A

just below cortical grey matter

50
Q

What drains the brain and meninges?

A

dural venous sinuses

51
Q

What drains the scalp and face?

A

veins synonymous with arteries of the face and scalp

52
Q

Wht drains the neck?

A

anterior jugular veins

53
Q

What are the 2 main tributaries of the external jugular vein?

A

posterior auricular vein

retromandibular vein

54
Q

What forms the retromandibular vein?

A

maxillary vein

superficial temporal vein

55
Q

What muscle is the external jugular vein associated with?

A

SCM

56
Q

How do the anterior jugular veins communicate?

A

via jugular venous arch

57
Q

What is the internal jugular vein?

A

a continuation of the sigmoid sinus in the cranial cavity

58
Q

where does the internal jugular vein descend?

A

in carotid sheath
deep to SCM
lateral to CCA

59
Q

Which veins does the internal jugular vein receive blood from?

A

facial
lingual
occipital
superior and middle thyroid

4 BAB (18 decks)

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