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Anatomy 🧠 > Blood Supply 44-53 > Flashcards

Blood Supply 44-53 Flashcards

1
Q

The brain is supplied by 2 sources ?

A

1- internal carotid artery
2- vertebro basilar system

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2
Q

ICA & vertebral arteries lies in ———-space ?

A

Subarachnoid

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3
Q

Internal carotid artery divides below —————-?

A

Anterior perforated substance

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4
Q

Vertebral arteries unite at ————-?

A

Lower basilar A

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5
Q

Branches of the Internal carotid artery (OPAMA )(5) ?

A

1- ophthalmic artery
2- posterior communicating artery
3- anterior choroidal artery
4- middle cerebral artery (MCA)
5- anterior cerebral artery (ACA)

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6
Q

anterior choroidal artery enter the ————- of lateral ventricle ?

A

Inferior horn

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7
Q

anterior choroidal artery supplies (5) ?

A
  1. Choroid plexus of inferior horn of lateral ventricle
  2. Crus cerebri
  3. Lateral geniculate body
  4. Optic tract
  5. Internal capsule
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8
Q

Anterior cerebral artery runs ———-in longitudinal fissure

A

Medially

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9
Q

Anterior cerebral artery curves along ———?

A

Corpus callosum

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10
Q

Anterior cerebral artery ends ?

A

Passing upward near Parieto-occipital fissure

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11
Q

Anterior cerebral artery branches (4)?

A

1- cortical
2- central
3- callosal
4- septal

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12
Q

Anterior cerebral artery cortical branch supplies ?

A

motor & sensory lower limb
- medial surface back to parieto -occipital fissure
- upper superior lateral surface back to parieto -occipital fissure
- medial 1/2 orbital surface

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13
Q

Anterior cerebral artery central branch passes————-
To ——&—————?

A

Anterior perforated substance
1) corpus striatum
2) anterior limb of internal capsule

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14
Q

Anterior cerebral artery callosal branch supplies ?

A

All corpus except —> splenium

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15
Q

Anterior cerebral artery septal branch supplies ?

A

Septum pellucidum

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16
Q

Middle cerebral artery runs ————- in ———- to ————?

A

Lateral in lateral fissure to insula

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17
Q

Branches of Middle cerebral artery (2) ?

A

1) cortical branches
2) central branches

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18
Q

Cortical branch of Middle cerebral artery supplies ?

A

Motor & sensory to all body except lower limb
1- lateral surface till parieto-occipital fissure
2- lateral 1/2 orbital surface + temporal lobe

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19
Q

Central branch of Middle cerebral artery passes ————- to ——&———— ?

A

Anterior perforated substance to
- corpus striatum
- internal capsule

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20
Q

Middle cerebral artery supplies ? Generally

A

1)Motor &sensory of body areas except lower
2) insula
3) corpus striatum
4) internal capsule
5) speech
6) auditory

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21
Q

Posterior cerebral artery branch of ———-A ?

A

Basilar

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22
Q

Posterior cerebral artery curves around ?

A

Midbrain & comes below splenium of corpus callosum

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23
Q

Posterior cerebral artery branches (4) ?

A

1- cortical
2- short medial central
3- long lateral central
4- posterior choroidal A

24
Q

Lateral & medial surface behind parieto-occipital fissure to the **Tentorial surface ** except (temporal ) supplied by ?

A

Cortical branch of Posterior cerebral artery

25
Q

Short medial central branch of Posterior cerebral artery pierces ————?

A

Posterior perforated substance

26
Q

Short medial central branch of Posterior cerebral artery supplies ? (3)

A

1- cerebral peduncle
2- mammillary bodies
3- anterior Thalamus

27
Q

Long lateral central branch of Posterior cerebral artery supplies ? (2)

A

1- geniculate body
2- back of thalamus

28
Q

Posterior choroidal artery Aries from ?

A

Posterior cerebral artery

29
Q

Posterior choroidal artery supplies (4) ?

A
  • splenium corpus callosum
  • choroid plexus of 3rd ventricle
  • & lateral ventricle
  • dorsum thalamus
30
Q

Vertebral artery branch of ———?

A

Subclavian artery

31
Q

Vertebral artery enter cranial cavity through ——— & ascends anterior surface of ———?

A

Foramen magnum , medulla

32
Q

Vertebral artery unite at lower of pons forms ?

A

Basilar A

33
Q

Branches of Vertebral artery (4) ?

A

PAPM
1- posterior spinal artery
2- anterior spinal artery
3- posterior inferior cerebellar artery (PICA )
4- medullary branches

34
Q

Posterior spinal artery descends along ————— ?

A

Posterior root of spinal nerves

35
Q

Anterior spinal artery descends in ———-fissure ?

A

Anterior median fissure

36
Q

Posterior inferior cerebellar artery PICA supplies (3) ?

A

1- posterior inferior cerebellum
2- lateral medulla
3- 4th ventricle

37
Q

Basilar artery begins ———— & ends ———-?

A

Begins Lower border pones union of 2 vertebral A
Ends upper border pons dividing to 2 posterior cerebral A

38
Q

Basilar artery branches (5) ?

A

1- anterior inferior cerebellar artery (AICA)
2- internal auditory A
3- pontine branches
4- 2 superior cerebellar arteries
5- 2 superior cerebral arteries

39
Q

Circulus of wills site ?

A

Interpeduncular fossa

40
Q

Anterior communicating connects ?

A

2 anterior cerebral artery (ACA )

41
Q

Posterior communicating connects ?

A

Internal carotid with posterior cerebral a (PCA )

42
Q

Artery that is not in ciculus of wills is ?

A

Middle artery (MCA)

43
Q

Characteristics of Brian veins ?

A
  • valveless
  • no muscle tissue
  • thin walls
44
Q

Venous drainage lies in ——— & pierces ——————and—————-?

A

Subarachnoid spaces pierces arachnid & inner dura

45
Q

Superior cerebral veins (8-10) drain ————————of cerebral hemisphere ?

A

Upper lateral & medial

46
Q

Superior cerebral veins (8-10) end into ?

A

Superior sagittal sinus

47
Q

Superficial middle cerebral vein drain ————- cerebral hemisphere ?

A

Middle part of lateral

48
Q

Superficial middle cerebral vein ends into ?

A

Cavernous sinus

49
Q

Superficial middle cerebral vein run ?

A

Inferiorly in Lateral sulcus

50
Q

Inferior cerebral vein drain ?

A

Lower part of lateral & inferior cerebral hemisphere

51
Q

Inferior cerebral veins end in ?

A

Transverse sinus

52
Q

Deep middle cerebral veins drain ——- end in ———?

A

Insula end in basal vein

53
Q

Basal veins (rosenthal) formed by union of ?

A

Deep middle vein & anterior cerebral vein.

54
Q

Basal veins (rosenthal) drain into ?

A

Great cerebral veins

55
Q

Internal cerebral veins are formed by union of ?

A

Thalamostriate & choroid veins

56
Q

Great cerebral veins are formed of ?

A

2 internal cerebral vein

57
Q

Straight sinus is formed by union of ————&————-?

A

Great cerebral & inferior sagittal sinus

Anatomy 🧠 (9 decks)

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