Neurology Book

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Neurovascular Anatomy

Aka: Neurovascular Anatomy, Neurologic Vascular Anatomy, Vascular Anatomy of the Brain, Cerebrovascular System, Cerebral Vessel
  1. See Also
    1. Carotid Artery
    2. Vertebral Vein
    3. Jugular Vein
  2. Background
    1. Brain is supplied by two pairs of arteries
      1. Bilateral Internal Carotid Arteries (anterior)
      2. Bilateral Vertebral Arteries (posterior)
    2. Anterior Circulation (internal carotid distribution)
      1. Supplies the frontal, parietal and part of the Temporal Lobe
    3. Posterior Circulation (Vertebral arteries)
      1. Supplies the Occipital Lobe, Cerebellum, Brainstem and part of the Temporal Lobe
    4. Circle of Wills
      1. Anterior and Posterior Circulation are interconnected
      2. Redundant pathways (variable among individual patients).
  3. Anatomy: Great Vessel origins
    1. Vertebral Artery (Posterior Circulation) origins
      1. Both left and right Vertebral arteries arise in the upper chest from the subclavian arteries
    2. Common Carotid Artery (Anterior Circulation) origins
      1. Right common Carotid Artery originates from the subclavian artery (same as the Vertebral Artery)
        1. Origin is medial to the right Vertebral Artery origin
      2. Left common Carotid Artery originates directly from the aortic arch
        1. Left common carotid origin on the aorta is between the two subclavian artery origins
  4. Anatomy: Anterior Circulation
    1. Main Source: Two Internal Carotid Arteries
    2. Internal Carotid Arteries divide to form
      1. Anterior Cerebral Artery (supplies medial Cerebral Hemisphere)
      2. Middle Cerebral Artery (supplies lateral Cerebral Hemisphere)
    3. Function
      1. Supplies Frontal Lobe, Parietal Lobe and superior Temporal Lobe (majority of cerebral circulation)
      2. Obstruction: Contralateral motor and sensory deficit
        1. See Anterior Cerebral Artery CVA
        2. See Middle Cerebral Artery CVA
  5. Anatomy: Posterior Circulation
    1. Main Source: Two Vertebral Artery
    2. Vertebral arteries combine to form Basilar Artery
      1. Basilar divides to form posterior cerebral arteries
    3. Function
      1. Supplies Occipital Lobe, inferior Temporal Lobe, Brain Stem, Cerebellum
      2. Obstruction: Vision Loss and Vertigo
        1. See Vertebrobasilar CVA
        2. See Posterior Cerebral Artery CVA
        3. See Posterior Inferior Cerebellar Artery CVA
  6. Anatomy: Collateral Circulation (Circle of Willis)
    1. Anterior Communicating Artery
      1. Connects anterior cerebral arteries together
    2. Posterior communicating arteries (2)
      1. Connects each internal carotid to Basilar Artery
  7. Anatomy: Images General
    1. neuroCerebralArtery.png
    2. neuroBrainVesselsVentricleThirdRoofGrayBB565.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    3. entSkullMiddleMeningealArteryIllustrationGrayBB1198.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    4. middleMeningealArtery.jpg
  8. Anatomy: Images Venous
    1. neuroBrainVeinsGrayBB566.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. neuroBrainVeinsGrayBB568.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    3. neuroBrainVeinGrayBB769.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    4. neuroBrainVeinsSkullBaseGrayBB569.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    5. neuroBrainVeinsSkullBaseGrayBB570.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    6. neuroBrainVeinsSkullFloorGrayBB766.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    7. neuroSagittalSinusGrayBB1196.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  9. Anatomy: Images Circle of Willis
    1. neuroCvCircleWillisGrayBB516.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. neuroCvCircleWillisGrayBB519.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  10. 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

Cerebrovascular system (C0225992)

Definition (CSP) pertaining to the blood vessels of the cerebrum, or brain.
Concepts Body System (T022)
SnomedCT 28661005
English cerebrovascular system, brain vessel, cerebral vessels, vessel brain, vessel cerebral, cerebral vessel, brain vessels, Cerebral vessels, Cerebrovascular system structure (body structure), Cerebrovascular system structure, Cerebral vessels, NOS, Cerebrovascular system, NOS, Cerebrovascular system
Spanish circulación cerebral, estructura del sistema cerebrovascular (estructura corporal), estructura del sistema cerebrovascular, sistema cerebrovascular, vasos cerebrales
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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