Nervous Tissue

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Across
  1. 3. includes brain and spinal cord
  2. 5. the swelling at the end of an axon branch
  3. 9. part of the neuron that receives signals
  4. 10. a neuron with multiple dendrites and a single axon attached to the cell body
  5. 11. another word for “motor”
  6. 13. PNS glial cell that forms myelin sheath
  7. 15. a neuron with one dendrite and one axon attached to the cell body
  8. 18. neuron that integrates information, located entirely within CNS
  9. 19. a neuron with only dendrites and no axon
  10. 21. ______ division detects changes in skin, skeletal muscles, joints, etc and sends information to CNS
  11. 23. a neuron with a single attachment to the cell body
  12. 25. division carries signals from CNS to cardiac muscle, smooth muscle, glands
  13. 26. includes all nerves and ganglia
  14. 28. gap between axon terminal and post-synaptic cell in a chemical synapse
  15. 29. contains the nucleus of the neuron
  16. 30. chemical signals that diffuse into synaptic cleft at a chemical synapse
Down
  1. 1. ______ cell, CNS glial cell that forms CSF
  2. 2. part of the neuron that transmits nerve impulses to other cells
  3. 4. ______ division carries signals from CNS to skeletal muscles
  4. 6. another word for “sensory”
  5. 7. CNS glial cell that forms BBB
  6. 8. ______ division detects changes in internal organs and sends information to CNS
  7. 12. _____ synapses are formed by gap junctions and involve movement of ions from cell to cell
  8. 14. ______ neuron, aka efferent neuron
  9. 16. ______ neuron, aka afferent neuron
  10. 17. CNS glial cells that act as “janitors”
  11. 20. term for electrical signal carried by an axon
  12. 22. nourishing, protective, supportive cells of nervous tissue
  13. 24. cell of nervous tissue that initiates, transmits, and receives nerve impulses
  14. 27. CNS glial cell that forms myelin sheath
  15. 28. _____ cell, PNS glial cell that maintains environment for neuron function