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ANAT-321: demonstrator review lab 1 & 2

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  • Transcript

    • 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