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  • 1. ANAT 321 LABORATORY 3 NEUROANATOMY LAB
  • 2. CONTACT INFORMATION
    • Lab Coordinator:
    • Emma Duerden
    • email: [email_address]
    • Tel: (514) 340.2800 ext 4059
    ANAT-321
  • 3.
    • Neuroanatomy websites:
      • Digital anatomist:
        • http://www9.biostr.washington.edu/da.html
      • The Human Brain: Dissections of the Real Brain
        • http://www.vh.org/adult/provider/anatomy/BrainAnatomy/BrainAnatomy.html
      • Neuroanatomy and neuropathology on the Internet
        • www.neuropat.dote.hu /
    Neuroanatomy Websites ANAT 321 NEUROANATOMY LAB
  • 4. REVIEW LABS 3 & 4
    • Lab 3
      • Cerebral vasculature
      • Meninges
      • Cerebral Spinal Fluid (CSF) production
      • Hemispheric anatomy
        • Lateral and medial views
  • 5. Cerebral Vasculature
  • 6. Cerebral Vasculature Anterior blood supply Posterior blood supply Internal carotid artery Vertebral artery
  • 7. Cerebral Vasculature Anterior communicating artery Superior cerebellar artery Posterior inferior cerebellar artery Posterior cerebral artery Posterior communicating artery Internal carotid artery Anterior inferior cerebellar artery Middle cerebral artery Anterior cerebral artery Vertebral arteries Anterior blood supply posterior blood supply
  • 8. Cerebral Vasculature Courtesy of Digital Anatomist Project at Univ. of Washington Superior cerebellar artery Posterior inferior cerebellar artery Posterior cerebral artery Posterior communicating artery Internal carotid artery Vertebral arteries Anterior inferior cerebellar artery Middle cerebral artery Anterior communicating artery Anterior cerebral artery
  • 9. Cerebral Vasculature Courtesy of Digital Anatomist Project at Univ. of Washington Posterior communicating artery Superior cerebellar artery Anterior inferior cerebellar artery Internal carotid artery Vertebral arteries Posterior inferior cerebellar artery Middle cerebral artery Anterior communicating artery Anterior cerebral artery Posterior cerebral artery
  • 10. Cerebral Vasculature Courtesy of Digital Anatomist Project at Univ. of Washington Posterior communicating artery Superior cerebellar artery Anterior inferior cerebellar artery Internal carotid artery Vertebral arteries Middle cerebral artery Posterior cerebral artery Posterior inferior cerebellar artery
  • 11. Meninges 3 layers - Dura mater - Arachnoid mater - Pia mater http://www.sruweb.com/~walsh/meng1.gif skin bone Dura mater arachnoid mater Sub-arachnoid space pia mater cortex
  • 12. Meninges Dura Mater – outer layer Basal view of outer layer lateral view of outer dural layer Dura Mater is composed of: - Outer layer - Inner layer Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ Inferior olive CN 6 CN 9 CN 7 CN 8 CN 10
  • 13. Meninges Dura Mater and sagittal sinus Separation of the inner and outer layers forms the sinuses Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ CN 6 Dura - outer layer Superior /mid sagittal sinus
  • 14. Meninges Dura Mater – Outer layer Frontal lobe Occipital lobe Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ Dura outer layer skull
  • 15. Meninges Arachnoid Mater and sagittal sinus Frontal lobe Occipital lobe Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ Dura outer layer skull Dura inner layer Superior /mid sagittal sinus Arachnoid mater Coronal view of sinus
  • 16. Meninges Dura Mater & Arachnoid Granulations Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ Pyramid CN 9 CN 12 CN 7 CN 8 CN 10 Mid /superior sagittal sinus Arachnoid Granulations Dura mater – outer layer
  • 17. Meninges Arachnoid Mater & Granulations Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/ Arachnoid granulations Arachnoid mater
  • 18. http://www.bio-graphix.com/medillimages/FlowCSF0001.jpg Meninges CSF production CSF CSF CSF Choroid plexus 3 rd ventricle 4 th ventricle Sub-arachnoid space Arachnoid granulations Arachnoid mater Dura Mater
  • 19. Meninges CSF production CSF exits through foramina into sub-arachnoid space CSF is deposited into the superior sagittal sinus through the arachnoid granulations CSF produced in ventricles
  • 20. HEMISPHERES SAGITTAL VIEW
  • 21. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Calcarine fissure Parieto-occipital fissure cuneus Cingulate gyrus Lingual gyrus Primary visual cortex
  • 22. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Calcarine fissure Parieto-occipital fissure cuneus Lingual gyrus Cingulate gyrus
  • 23. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Calcarine fissure Parieto-occipital fissure cuneus Lingual gyrus Cingulate gyrus uncus Parahippocampal gyrus
  • 24. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Parieto-occipital fissure cuneus Lingual gyrus Cingulate gyrus uncus Parahippocampal gyrus Calcarine fissure
  • 25. HEMISPHERES LATERAL VIEW
  • 26. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Lateral sulcus Temporal lobe Frontal lobe Pre-occipital notch Parieto-occipital fissure Central sulcus Occipital lobe Parietal lobe
  • 27. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Lateral sulcus Central sulcus Superior frontal gyrus middle frontal gyrus inferior frontal gyrus Inferior temporal gyrus superior temporal gyrus Inferior parietal lobule middle temporal gyrus middle temporal gyrus superior parietal lobule precentral gyrus Post central gyrus
  • 28. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Central sulcus Inferior temporal gyrus superior temporal gyrus middle temporal gyrus middle temporal gyrus Post central gyrus precentral gyrus Lateral sulcus inferior frontal gyrus middle frontal gyrus Superior frontal gyrus superior parietal lobule Inferior parietal lobule
  • 29. HEMISPHERES LATERAL VIEW - INSULA Courtesy of Digital Anatomist Project at Univ. of Washington Insula
  • 30. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Lateral sulcus Central sulcus Parietal opercula Frontal opercula Heschl ’s gyrus
  • 31. HEMISPHERES LATERAL VIEW
    • Heschl’s gyrus
      • posterior portion of the superior temporal gyrus
      • Located on the inferior bank of the lateral sulcus
    Courtesy of Digital Anatomist Project at Univ. of Washington
  • 32. HEMISPHERES LATERAL VIEW
    • Frontal and parietal opercula
    • Opercula = cover the insula
      • Superior bank of lateral sulcus
      • Frontal operculum are anterior to central sulcus
      • Parietal operculum are posterior to central sulcus
    Courtesy of Digital Anatomist Project at Univ. of Washington Parietal operculum insula Heschl ’s gyrus
  • 33. NEUROANATOMY QUIZ
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  • 38. ANAT 321 NEUROANATOMY LAB Questions? Email: [email_address] Phone: 514-340-2800 ext 4059