Blood Supply Of Brain Flashcards

1
Q

Anterior choroideal artery comes from

A

Internal carotid

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2
Q

Posterior choroideal artery comes from

A

Posterior cerebral

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3
Q

Anteromedial group of arteries comes from

A

Anterior cerebral and anterior communicating

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4
Q

Anteromedial group of arteries supplies

A

Anterior limb of internal capsule
Corpus striatum
Anterior hypothalamus

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5
Q

Anterolateral grp A comes from

A

Middle cerebral A

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6
Q

Anterolateral grp A supplies

A

Anterior limb of internal capsule

Caudate, lentiform nucleus

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7
Q

Posteromedial grp A comes from

A

Posterior cerebral A

Posterior communicating A

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8
Q

Posteromedial group A supplies

A

Thalamus
Subthalamus
Hypothalamus

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9
Q

Posterolateral group A comes from

A

Posterior cerebral A

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10
Q

Posterolateral group A supplies

A

Thalamus including medial and lateral geniculate bodies

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11
Q

Branches of vertebral A

A
  1. Anterior spinal
  2. Posterior spinal
  3. Posterior inferior cerebellar
  4. Meningeal
  5. Medullary
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12
Q

Branches of basilar A

A
  1. Posterior cerebral (terminal)
  2. Posterior cerebellar
  3. Pontine
  4. Labyrinthine
  5. Anterior inferior cerebellar
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13
Q

Branches of posterior cerebral A

A
  1. Anterior temporal
  2. Posterior temporal
  3. Parieto-occipital
  4. Calcarine
  5. Posterior choroideal
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14
Q

Branches of cerebral part of internal carotid A.

A
  1. Ophthalmic
  2. Middle cerebral
  3. Anterior cerebral
  4. Anterior choroideal
  5. Posterior communicating
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15
Q

Branches of anterior cerebral A

A
  1. Anterior communicating
  2. Pericallosal
  3. Callosomarginal
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16
Q

Branches of middle cerebral A

A
  1. Frontal
  2. Parietal
  3. Temporal
17
Q

Main artery of superolateral surface

A

Middle cerebral

18
Q

Main artery of medial surface

A

Anterior cerebral

19
Q

Main artery of inferior surface

A

Posterior cerebral

20
Q

Occlusion of anterior cerebral A

A
  1. Contralateral hemiparesis , hemianaesthesia
  2. Inability to identify objects
  3. Apathy, personality changes
21
Q

Occlusion of middle cerebral artery

A
  1. Contralateral hemiplegia, hemianaesthesia
  2. Aphasia
  3. Contralateral homonymous hemianopia
22
Q

Occlusion of posterior cerebral A

A
  1. Contralateral homonymous hemianopia with macula sparing
23
Q

Midbrain is supplied by

A
  1. Posterior cerebral
  2. Superior cerebellar
  3. Basilar
24
Q

Pons is supplied by

A
  1. Basilar
  2. Superior cerebellar
  3. Anterior inferior cerebellar
25
Q

Superior cerebral vein

A
  • drain superolateral and medial surfaces

- drain into superior sagittal sinus

26
Q

Superficial middle cerebral vein

A
  • lies in lateral sulcus
  • drains into cavernous sinus anteriorly
  • posteriorly communicates with superior sagittal sinus through superior anastamotic vein of Troland
  • communicates with transverse sinus through inferior anastamotic vein of Labbe
27
Q

Deep middle cerebral vein

A
  • lies deep in lateral sulcus

- joins anterior cerebral vein to form basal vein

28
Q

Inferior cerebral vein

A
  • drain inferior surfaces

- empty into nearby intracranial sinuses

29
Q

Basal vein of Rosenthal

A
  • by union of anterior cerebral, deep middle cerebral and striate veins
  • terminates into great cerebral vein of Galen
30
Q

Internal cerebral veins

A
  • on either side of 3rd ventricle
  • by union of: thalamostriate, septal, choroideal.
  • form great cerebral vein of Galen
  • empty into straight sinus
31
Q

Great cerebral vein of Galen

A
  • by union of internal cerebral veins
  • joined by basal veins
  • empties into straight sinus
32
Q

Extradural hemorrhage

A

Rupture of anterior division of middle meningeal artery

33
Q

Subdural haemorrhage

A

Tearing of superior cerebral veins

34
Q

Subarachnoid hemorrhage

A

Leakage or rupture of berry aneurysms on circle of Willis

35
Q

Intracerebral haemorrhage

A

Rupture of charcots artery (branch of middle cerebral)

36
Q

Structures of BBB

A
  1. Capillary endothelial cells with tight junctions
  2. Basement membrane
  3. Foot processes of astrocytes
37
Q

Areas devoid of BBB

A
  1. Pineal gland
  2. Posterior lobe of pituitary
  3. Tuber cinerum
  4. Area postrema
  5. Interventricular foramen