Across
- 3. an infection of the tissues that surround the spinal cord
- 6. nonconductive cells that protect and support neurons
- 9. single prominent structure located within the nucleus
- 11. one or more branches of a axon
- 12. insulating covering of a neuron
- 13. lapse time between recognizing and muscles reaction time
- 14. neuron that is associated with sense organs
- 15. special type of cell that forms the myelin sheath
- 17. enables neurons to respond to sudden change
- 19. the other name for the cell body of a neuron
- 22. impulses are transmitted from this to this
Down
- 1. neuron that is found in the retina of the ear and inner ear
- 2. granular pieces of E.R. that are sits of protein synthesis
- 3. neuron that has dendrites like a tree branch and 1 axon
- 4. the cytoplasm of a neuron
- 5. type of neuron that connects sensory neurons to motor neurons
- 7. simplest nerve pathway
- 8. neurons that conduct impulses toward the CNS
- 10. indentations between Schwann cells and the nerve fiber
- 16. a sudden change in the environment of a neuron
- 17. caused by the sudden burst of irregular electrical activity in the brain
- 18. neurons that conduct impulses away from the CNS
- 20. structure by which animal respond
- 21. number of cranial nerves