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Lab Practical 3: Nervous System You are responsible for learning all of the following nervous system structures You are responsible for learning all of.

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Presentation on theme: "Lab Practical 3: Nervous System You are responsible for learning all of the following nervous system structures You are responsible for learning all of."— Presentation transcript:

1 Lab Practical 3: Nervous System You are responsible for learning all of the following nervous system structures You are responsible for learning all of the following nervous system structures

2 Structures of the Multipolar Neuron 1. Dendrites 2. Nucleus 3. Axon hillock 4. Schwann Cell 5. Axon 6. Myelin 7. Terminal 8. Neurilemma 9. Node of Ranvier 8 9

3 See next slide for what the numbered structures are.

4 Structures on Cross-section of Spinal Cord 1. Dorsal column 2. Lateral column 3. Ventral column 4. Anterior white commissure 5. Dorsal horn 6. Lateral horn 7. Ventral horn 8. Gray commissure 9. Central canal 10. Posterior median sulcus 14. Anterior median fissure

5 See next slide for what the numbered structures are

6 Structures on Cross-section of Spinal Cord 12. Dorsal rootlets 13. Ventral rootlets 23. Dorsal root 24. Dorsal root ganglion 25. Ventral root 26. Spinal nerve 27. Dorsal ramus 28. Ventral ramus 29. White ramus 30. Gray ramus

7 Spinal Cord and Plexuses 1. Cervical plexus (C1-C5) 2. Brachial plexus (C5-T1) 3. Spinal cord 4. Lumbar plexus (L1-L4) 5. Cauda equina 6. Sacral plexus (L4-S4)

8 Spinal Cord and Plexuses 1. Spinal cord 2. Cauda equina 3. Lumbar plexus (L1-L4) 4. Sacral plexus (L4-S4) 5. Sciatic nerve

9 Brain, Spinal Cord and Plexuses 1. Cerebrum 2. Cerebellum 3. Spinal cord 4. Cervical plexus (C1-C5) 4. Brachial plexus (C5-T1)

10 8 cervical nerves 12 thoracic nerves 5 lumbar nerves 5 sacral nerves 1 coccygeal nerves 31 Pairs of Spinal Nerves Note the spinal scoliosis

11 Spinal nerves 8 Cervical 12 Thoracic 5 Lumbar

12 Lobes of Cerebrum 1. Frontal lobe 2. Parietal lobe 3. Occipital lobe 4. Temporal lobe 5. Lateral fissure 6. Transverse fissure

13 Brain Structures 1. Gyri (ridges) 2. Sulci (creases) 3. Occipital lobe 4. Temporal lobe 5. Postcentral gyrus 6. Central sulcus 7. Precentral gyrus

14 Gyri, Sulci, Fissures and Lobes 1. Postcentral gyrus 2. Central sulcus 3. Precentral gyrus 4. Longitudinal fissure 5. Frontal lobe 6. Parietal lobe 7. Occipital lobe 5 6 7

15 Brain Structures 10. Corpus callosum 21. Hypothalamus 22. Intermediate mass of thalamus 23. Pineal gland 25. Pituitary gland 31. Corpora quadrigemina of midbrain 32. Midbrain

16 Brain Structures 1. Midbrain 2. Pons 3. Medulla oblongata 4. Spinal cord 5. Cerebellum 6. Arbor vitae of cerebellum

17 Brain Structures Associated with Ventricles 11. Septum pellucidum (wall between lateral ventricles) 20. Third ventricle 40. Cerebral aqueduct 41. Fourth ventricle 40 41

18 Brain Structures 36. Septum pellucidum 43. Third ventricle 50. Arbor vitae of cerebellum 54. Midbrain 60. Fourth ventricle 61. Medulla oblongata 64. Spinal cord 65. Central canal 70. Pons 71. Cerbral aqueduct 70 71

19 Brain Structures 1. Frontal lobe 2. Olfactory bulb 3. Olfactory tract 4. Optic nerve 5. Pituitary gland 6. Temporal lobe 7. Pons 8. Medulla oblongata

20 Cranial Nerves 1. Optic nerve 2. Optic chiasma 3. Optic tract 5. Trigeminal nerve 7. Olfactory bulb 8. Olfactory tract Other Brain structures 25. Pituitary gland 36. Pons 39. Medulla oblongata

21 Ventricles 1. Lateral ventricle 2. Lateral ventricle 3. Third ventricle 4. Fourth ventricle 5. Cerebral aqueduct

22

23 Cranial Nerves 1. Superior sagittal sinus 2. Arachnoid granulation 1 2

24 Brainstem and Diencephalon 2. Thalamus 16. Pons 19. Medulla oblongata

25 Brainstem and Diencephalon a. pons b. medulla oblongata c. midbrain i. corpora quadrigemina n. 3 rd ventricle o. thalamus o


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