Anat 321 Review Lab 2

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  • 1. ANAT 321 REVIEW LABORATORY 2 NEUROANATOMY LAB
  • 2. HEMISPHERES SAGITTAL VIEW
  • 3. HEMISPHERES SAGITTAL VIEW 3 rd ventricle thalamus 4th ventricle fornix Corpus callosum septum pellicudum Anterior commissure Lamina terminalis hypothalamus hypothalamic sulcus mamillary body infundibulum optic chiasm aqueduct Foramen of Monroe
  • 4. HEMISPHERES SAGITTAL VIEW
  • 5. HEMISPHERES SAGITTAL VIEW Mamillary body Corpus callosum Septum pellucidum Fornix Anterior commissure infundibulum Thalamus Optic chiasm Lamina terminalis
  • 6. Brainstem dorsal view BRAINSTEM DORSAL VIEW w / out cerebellum
  • 7. Brainstem dorsal view BRAINSTEM DORSAL VIEW w / out cerebellum Superior colliculus inferior colliculus Lateral geniculate nucleus Medial geniculate nucleus Pulvinar brachium
  • 8. BRAINSTEM DORSAL VIEW w / out cerebellum
  • 9. 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
  • 10. TRANSECTED MIDBRAIN
  • 11. TRANSECTED MIDBRAIN Cerebral aqueduct Substantia nigra Cerebral peduncles Red nuclei Inferior colliculus 4th ventricle
  • 12. REVIEW: LAB2
    • How are the lateral ventricles confluent with the 3rd ventricle?
    • Answer
      • The foramen of Monroe
  • 13. REVIEW: LAB2
    • What structure forms the walls of the third ventricle?
    • Answer
      • The thalamus
  • 14. REVIEW: LAB2
    • Be sure that you understand the skewed "C" shape of the lateral ventricles.
  • 15. REVIEW: LAB2
    • 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. REVIEW: LAB2
    • How does CSF flow from the third and to the fourth ventricle?
    • Answer
      • The cerebral aqueduct
  • 17. REVIEW: LAB2
    • What is the relationship between the internal capsule and the cerebral peduncle?
    • Answer
      • The internal capsule is a collection of white matter fiber pathways
      • The cerebral peduncles are a continuation of the internal capsule
  • 18. REVIEW: LAB2
    • Follow the optic tract
  • 19. QUIZ
  • 20. A B C D E
  • 21. Answer Key
      • A: inferior colliculus
      • B: red nucleus
      • C: substantia nigra
      • D: cerebral aqueduct
      • E: cerebral peduncle
  • 22. A B C D E
  • 23. Answer Key
      • A: septum pellucidum
      • B: fornix
      • C: fourth ventricle
      • D: hypothalamic sulcus
      • E: lamina terminalis
  • 24. A B C D E
  • 25. Answer Key
      • A: brachium of the inferior colliculus
      • B: superior cerebellar peduncle
      • C: fourth ventricle
      • D: nucleus cuneatus
      • E: pulvinar