ANAT-321: review lab 3 & 4
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  • 1. REVIEW LABS 3&4 ANAT-321 NEUROANATOMY LAB
  • 2. GENERAL INFORMATION
    • Lab exam is in slide format
    ANAT 321
    • 50% material will be from the labs, and the other 50% will be myelin stained sections
    • Quiz available on MACSS website
  • 3.
    • Neuroanatomy websites:
      • Digital anatomist:
        • http://www9.biostr.washington.edu/da.html
      • Sylvius:
        • http:// www.sylvius.com /
      • 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
    • Lab 4
      • Basal ganglia
        • Coronal and horizontal 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 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 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. 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
  • 11. Meninges Dura Mater Basal view of outer layer lateral view of outer dural layer http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html Dura Mater is composed of: - Outer layer - Inner layer Frontal lobe occipital lobe Courtesy of Digital Anatomist Project at Univ. of Washington
  • 12. Meninges Arachnoid Mater and sagittal sinus faculty.une.edu/com/fwillard/Meninges/ Dura outer layer Superior /mid sagittal sinus Arachnoid mater
  • 13. Meninges Arachnoid Granulations http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html Arachnoid granulations Dura outer layer Dura inner layer
  • 14. Meninges Dura Mater & Arachnoid Granulations http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html Pyramid CN 9 CN 12 CN 7 CN 8 CN 10 Mid /superior sagittal sinus Arachnoid Granulations Dura mater – outer layer
  • 15. Meninges Arachnoid Mater & Granulations Courtesy of Digital Anatomist Project at Univ. of Washington Arachnoid granulations
  • 16. 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
  • 17. 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
  • 18. HEMISPHERES SAGITTAL VIEW
  • 19. HEMISPHERES SAGITTAL VIEW Calcarine fissure Parieto-occipital fissure cuneus Cingulate gyrus Lingual gyrus
  • 20. HEMISPHERES SAGITTAL VIEW Calcarine fissure Parieto-occipital fissure cuneus Lingual gyrus Cingulate gyrus uncus Parahippocampal gyrus
  • 21. HEMISPHERES LATERAL VIEW
  • 22. HEMISPHERES LATERAL VIEW Lateral sulcus Temporal lobe Frontal lobe Pre-occipital notch Parieto-occipital fissure Central sulcus Occipital lobe Parietal lobe
  • 23. HEMISPHERES LATERAL VIEW Lateral sulcus Central sulcus Inferior temporal gyrus superior temporal gyrus Inferior parietal lobule middle temporal gyrus middle temporal gyrus superior parietal lobule precentral gyrus Post central gyrus inferior frontal gyrus middle frontal gyrus Superior frontal gyrus
  • 24. HEMISPHERES LATERAL VIEW 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 parietal lobule Inferior parietal lobule Superior frontal gyrus
  • 25. HEMISPHERES LATERAL VIEW Central sulcus Inferior temporal gyrus superior 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
  • 26. HEMISPHERES LATERAL VIEW - INSULA Insula
  • 27. HEMISPHERES LATERAL VIEW Lateral sulcus Central sulcus Parietal opercula Frontal opercula Heschl ’s gyrus
  • 28. HEMISPHERES LATERAL VIEW
    • Heschl’s gyrus
      • posterior portion of the superior temporal gyrus
      • Located on the inferior bank of the lateral sulcus
  • 29. HEMISPHERES LATERAL VIEW
    • Frontal and parietal opercula
      • Operculum = covering the insula
      • Superior bank of lateral sulcus
      • Frontal operculum are anterior to central sulcus
      • Parietal operculum are posterior to central sulcus
    Parietal operculum insula Heschl ’s gyrus
  • 30. HEMISPHERES BASAL GANGLIA
  • 31. HEMISPHERES BASAL GANGLIA Caudate nucleus Putamen (lateral) Globus pallidus (medial)
  • 32. HEMISPHERES BASAL GANGLIA Internal capsule Caudate nucleus putamen amygdala Caudate nucleus Globus pallidus putamen
  • 33. ANAT 321 3D VIEW OF THE BRAIN
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  • 41. HEMISPHERES BASAL GANGLIA - brainstem Internal capsule Caudate nucleus (head) putamen Cerebral peduncles
  • 42. HEMISPHERES HORIZONTAL SECTIONS
  • 43. HEMISPHERES Horizontal sections anterior posterior Caudate nucleus Lateral ventricles Corpus callosum Thalamus Corpus callosum fornix Septum pellucidum Internal capsule Extreme capsule External capsule Claustrum insula
  • 44. HEMISPHERES Horizontal sections anterior posterior Caudate nucleus Lateral ventricles Corpus callosum Thalamus fornix Septum pellucidum Internal capsule External capsule Claustrum Extreme capsule insula Putamen Globus pallidus
  • 45. HEMISPHERES CORONAL SECTIONS
  • 46. HEMISPHERES CORONAL SECTIONS Caudate nucleus Putamen Internal capsule External capsule Extreme capsule Claustrum Insula Lateral sulcus Lateral ventricle (anterior horn) Septum pellucidum Anteriorhorn body
  • 47. HEMISPHERES CORONAL SECTIONS Caudate nucleus putamen Internal capsule External capsule extreme capsule Claustrum insula Lateral sulcus Globus pallidus Lateral ventricle (body) Septum pellucidum fornix hypothalamus 3 rd ventricle hippocampus Lateral ventricle Corpus callosum Anteriorhorn body
  • 48. HEMISPHERES CORONAL SECTIONS Caudate nucleus putamen Internal capsule External capsule Extreme capsule Claustrum Insula Globus pallidus Lateral ventricle (body) Septum pellucidum 3 rd ventricle hippocampus Lateral ventricle Fornix
  • 49. NEUROANATOMY QUIZ
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  • 56. ANAT 321 NEUROANATOMY LAB Any questions? Email: [email_address] Phone: 343-6111 ext 4359
  • 57.
    • Neuroanatomy websites:
      • Digital anatomist:
        • http://www9.biostr.washington.edu/da.html
      • Sylvius
        • Http ://www.sylvius.com
      • Neuroanatomy and neuropathology on the Internet
        • www.neuropat.dote.hu /
    Neuroanatomy Websites ANAT 321 NEUROANATOMY LAB
    • Lab review presentations are available on the MACSS website under course material
      • http://macss.sus.mcgill.ca/coursematerial.htm