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Anatomy 2006.2 15

Question 1

What is the blood supply of cerebral hemispheres?

  • Internal carotids and vertebral arteries
  • Circle of Willis   optic chiasma and infundibulum
  • Posterior- vertebral aa – post cerebral aa
  • Anastamosis    post. communicating aa
  • Internal carotid becomes MCA
  • Divides to give anterior cerebral artery
  • Anterior communicating artery

    Question 2

    What motor and sensory areas lie in distribution of middle cerebral artery

    • Motor and sensory of opposite half of body except legs and perineum
    • Auditory and speech areas

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