Nervous System Crossword

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Across
  1. 1. part of the hindbrain; involved in producing smoothly coordinated skeletal muscle activity
  2. 3. type of CNS supporting cell; phagocytes that ingest debris such as bacteria or dead cells
  3. 5. chemical released by neurons that may, upon binding to receptors of neurons or effector cells, stimulate or inhibit them
  4. 6. type of CNS supporting cell; that has many cellular processes, each of which makes up a myelin sheath
  5. 7. the division of the nervous system that functions involuntarily. Innervates cardiac muscle, smooth muscle, and glands; also called involuntary nervous system
  6. 10. the gray area of the central nervous system; contains unmyelinated nerve fibers and nerve cell bodies
  7. 12. cells associated with nerve endings that serve as touch receptors
  8. 13. a white, fatty lipid substance
  9. 15. completes the pathway between afferent and efferent neurons; also called an association neuron
  10. 17. the region of communication between neurons, or a neuromuscular junction between a neuron and a muscle cell
  11. 19. the largest part of the brain; consists of right and left cerebral hemispheres
  12. 20. the non neuronal tissue of the central nervous system that performs supportive and other functions, also called glial cells or gila
  13. 21. neuron process that carries impulses away from the nerve cell body; different process; the conducting portion of the nerve cell
  14. 22. cells of the nervous system specialized to transmit messages throughout the body
  15. 24. a group of nerve cell bodies located in the peripheral nervous system
Down
  1. 1. the brain and spinal cord
  2. 2. the membranes that cover the brain and spinal cord
  3. 4. type of CNS supporting cell; assists in exchanges between blood capillaries and neurons
  4. 8. a system of nerves that connects the outlying parts of the body with the central nervous system
  5. 9. the branching extensions of neurons that carry electrical signals to the cell body; the receptive portion of a nerve cell
  6. 11. a peripheral nerve ending specialized for response to a particular types of stimuli
  7. 14. carrying to or toward a center
  8. 16. carrying away or away from
  9. 18. the part of a neuron containing the nucleus; the metabolic center of a neuron
  10. 23. automatic reaction to stimulus