Lab 12Sheep Brain DissectionLab ObjectivesLab 12A. Examine a slide of nervous tissue (motor neuron smear) and identify (p421):1. neuron cell bodies2. processes (axons, dendrites) B. Study a model of a neuron and be able to identify (p 421):1. cell body _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. nucleus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _3. chromatophilic or Nissl bodies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _4. dendrites _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _5. axon _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _6. telodendria _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _7. axon terminals or synaptic knobs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 8. Schwann cells _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _9. myelin _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _10. neurilemma _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _11. nodes of Ranvier _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _12. axon hillock _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _13. synapses _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _14. endoneurium _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _1C. Study a slide of a peripheral nerve cross section and be able to identify (p 431):1. fasciculi 2. perineurium 3. epineurium 4. nerve fibers (axons) D. Study a slide of a spinal ganglion and be able to identify ():1. sensory neuron cell bodies (ganglion cells) E. Study spinal cord models and be able to identify (p493,495):1. gray horns _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _a. anterior, lateral and posterior2. white columns _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _a. anterior, lateral and posterior3. central canal _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _4. gray commissure and white commissure () _ _ _ _ _ _ _ _ _ 5. anterior median fissure _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6. posterior median sulcus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 7. dorsal root _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _8. dorsal root ganglion _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 9. ventral root _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _10. spinal nerve _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _211. meninges: dura mater, arachnoid mater, pia mater12. subarachnoid space _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 13. epidural space (filled with fat) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ F. Study a slide of spinal cord cross sections. Be able to identify (p495):1. gray horns - anterior, lateral and posterior2. white columns - anterior, lateral and posterior3. central canal4. somatic motor neurons in anterior horn (cell bodies only) Lab 13 Brain Study models of the brain and be able to identify:A. cerebrum (p442-445)1. left and right hemispheres _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. transverse fissure _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3. longitudinal fissure _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4. lateral sulcus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _5. central sulcus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _6. parieto-occiptal sulcus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 7. precentral gyrus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _8. postcentral gyrus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 39. frontal lobe _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _10. parietal lobe _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _11. temporal lobe _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _12. occipital lobe _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _13. insula _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _14. cortex _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _15. internal capsule () _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 16. basal nuclei _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _17. corpus callosum _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _18. septum pellucidum _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 19. fornix _ _ _ _ _ _ _ _ _ _ _ _ _ …