ANAT-321: demonstrator review lab 1 & 2

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  • 1. ANAT 321 REVIEW LABORATORY 1 & 2 NEUROANATOMY LAB
  • 2. BRAINSTEM VENTRAL VIEW MIDBRAIN medulla pons midbrain
  • 3. BRAINSTEM VENTRAL VIEW MIDBRAIN medulla pons midbrain Cerebral peduncle CN 3 CN 5 CN 6 Pyramid CN 9 CN 8 CN 7 CN 10 Inferior olive
  • 4. BRAINSTEM VENTRAL VIEW MIDBRAIN medulla pons midbrain
  • 5. BRAINSTEM VENTRAL VIEW MIDBRAIN medulla pons midbrain Cerebral peduncle CN 3 CN 5 CN 6 Pyramid CN 9 CN 8 CN 7 CN 10 Inferior olive
  • 6. REVIEW: LAB 1 &2
    • Question
      • Which cranial nerve exits superior to the pyramids at the level of the pons?
    • Answer
      • The CN6
  • 7. BRAINSTEM DORSAL VIEW w / out cerebellum
  • 8. BRAINSTEM DORSAL VIEW w / out cerebellum Superior colliculus Middle cerebellar peduncle Inferior cerebellar peduncle Nucleus gracilis Nucleus cuneatus 4 th ventricle inferior colliculus
  • 9. REVIEW: LAB 1&2
    • Question
      • Which cranial nerves lies behind inferior olives?
    • Answer
      • CN 9 &10
  • 10. REVIEW: LAB 1 &2
    • Question
      • What is the relationship between the cerebral peduncles and the pyramids?
  • 11. HEMISPHERES SAGITTAL VIEW
  • 12. HEMISPHERES SAGITTAL VIEW thalamus septum pellicudum Anterior commissure Lamina terminalis mamillary body optic chiasm aqueduct 4th ventricle
  • 13. HEMISPHERES SAGITTAL VIEW
  • 14. HEMISPHERES SAGITTAL VIEW 3 rd ventricle fornix Corpus callosum hypothalamus infundibulum
  • 15. REVIEW: LAB 1 & 2
    • Be sure that you understand the shape of the fornix
    • Answer
      • The fornix is a white matter fiber intra-hemispheric structure that connects the hippocampus to the mammillary bodies
    hippocampi
  • 16. BRAINSTEM DORSAL VIEW w / out cerebellum
  • 17. BRAINSTEM DORSAL VIEW w / out cerebellum Superior colliculus Superior cerebellar peduncle Middle cerebellar peduncle Inferior cerebellar peduncle Nucleus gracilis Nucleus cuneatus 4 th ventricle Medial geniculate nucleus Pulvinar inferior colliculus brachium
  • 18. BRAINSTEM DORSAL VIEW w / out cerebellum
  • 19. BRAINSTEM DORSAL VIEW w / out cerebellum Superior colliculus Superior cerebellar peduncle Middle cerebellar peduncle Inferior cerebellar peduncle Nucleus cuneatus 4 th ventricle inferior colliculus brachium Pulvinar
  • 20. REVIEW: LAB 1 & 2
    • Which cerebellar penduncle connects the pons to the cerebellum?
    • Answer
      • The cerebellum is attached to the pons through the middle cerebellar peduncle
  • 21. TRANSECTED MIDBRAIN
  • 22. TRANSECTED MIDBRAIN Cerebral aqueduct Substantia nigra Cerebral peduncles Red nucleus
  • 23. QUIZ
  • 24. A B C D
  • 25. Answer Key
      • A: CN 3
      • B: Pons
      • C:CN 6
      • D: CN 12
  • 26. A B C D
  • 27. Answer Key
      • A: cerebral aqueduct
      • B: substantia nigra
      • C: cerebral peduncle
      • D: red nucleus
  • 28. A B C D E
  • 29. Answer Key
      • A: brachium of the inferior colliculus
      • B: superior cerebellar penduncle
      • C: inferior cerebellar peduncle
      • D: nucleus cuneatus
      • E: inferior colliculus
  • 30. A B C D E
  • 31. Answer Key
      • A: septum pellucidum
      • B: fornix
      • C: fourth ventricle
      • D: hypothalamic sulcus
      • E: lamina terminalis
  • 32. A B C D
  • 33. Answer Key
      • A: superior colliculus
      • B: inferior colliculus
      • C: nucleus gracilis
      • D: pulvinar