BM 3

• Arteries of the Brain: Posterior Fossa


  1. Vertebral artery (VA) branch: Posterior inferior cerebellar artery (PICA)

  2. Basilar artery (BA) branches: Anterior inferior cerebellar artery (AICA), Pontine arteries, Superior cerebellar artery (SCA)
• Arteries of the Brain: Middle Cerebral Artery (MCA) Branches


  Orbitofrontal, Prerolandic, Rolandic, Anterior parietal, Posterior parietal, Angular gyrus, Posterior temporal, Anterior temporal
• Veins of the Brain: Dural Sinuses

  Superficial & deep veins drain into: Superior sagittal sinus, then Straight sinus, then Transverse sinus, then Sigmoid sinus, Basal regions: Cavernous sinus, Sphenoparietal sinus, Inferior and superior petrosal sinus
• Arteries of the Brain: Anterior Cerebral Artery (ACA) Branches


  Orbital, Frontopolar, Pericallosal, Callosomarginal, Internal parietal
• Arteries of the Brain: Anterior & Middle Cranial Fossae


  1. Internal carotid artery (ICA)

  2. Extradural branches: Ophthalmic artery, Posterior communicating (p-com) artery, Anterior choroidal artery

  3. Terminal branches: anterior cerebral artery (ACA), middle cerebral artery (MCA)
• Arteries of the Brain: Collateral Circulation

  External-to-internal carotid circulation: ECA-facial artery-angular artery-ICA, ECA-superficial temporal artery-angular artery-ICA, External-to-vertebral circulation: ECA-occipital artery-VA, Circle of Willis, Leptomeningeal collaterals: ACA-MCA-PCA
• Arteries of the Brain: Posterior Cerebral Artery (PCA) Branches


  Posterior communicating (p-com) artery, Anterior and posterior thalamoperforating arteries, Medial & lateral posterior choroidal artery, Cortical branches
• Arteries of the Brain: Extradural Courses

  1. Common carotid artery (CCA)

  2. External carotid artery (ECA)

  3. Internal carotid artery (ICA)

  4. Anterior circulation of the brain

  5. Vertebral artery (VA)

  6. Posterior circulation of the brain
• Veins of the Brain: Superficial & Deep Veins

  Superficial ~ cortical veins: Superior anastomotic veins of Trolard, Dorsal superior cerebral vein, Superficial middle cerebral vein, Inferior anastomotic vein of Labbe, Deep veins: Internal cerebral veins, Basal veins of Rosenthal, Great vein of Galen