Anatomy

Anterior Circulation

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Anterior Circulation, Carotid Artery, Internal Carotid Artery, Middle Cerebral Artery, Anterior Cerebral Artery, Anterior Communicating Artery

  • See Also
  • Physiology
  1. Forms the Anterior Circulation of the brain
    1. Main Source: Two Internal Carotid Arteries
    2. Internal Carotid Arteries divide to form
      1. Anterior Cerebral Artery
        1. Supplies medial Cerebral Hemisphere (lower extremity strength and sensation)
      2. Middle Cerebral Artery
        1. Supplies lateral Cerebral Hemisphere (upper extremity strength and sensation)
  2. Supplies majority of cerebral circulation
    1. Frontal Lobe
    2. Parietal Lobe
    3. Superior Temporal Lobe
  3. Obstruction: Contralateral motor and sensory deficit
    1. See Anterior Cerebral Artery CVA
    2. See Middle Cerebral Artery CVA
  • Anatomy
  • Images
  1. entNeckArteryCarotidExternalGrayBB511.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  2. entCarotidArteryGrayBB513.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  • References
  1. Gilman (1989) Manter and Gatz Essentials of Neuroanatomy and Neurophysiology, Davis, p. 216-21
  2. Goldberg (2014) Clinical Neuroanatomy, Medmaster, p. 6-15
  3. Netter (1997) Atlas Human Anatomy, ICON Learning, p. 130-9