Chapter 12 Neural Tissue

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Across
  1. 4. Last approximately 200 msec.
  2. 8. An electrical impulse is transmitted across a synaptic cleft to the cell body or one or more dendrites of a postsynaptic neuron.
  3. 10. Releases NE
  4. 11. Fibers carry action potentials at a speeds of up to 120 meters per second.
  5. 12. A depolarization caused by a neurotransmitter.
  6. 13. A series of tiny steps.
  7. 16. Following depolarization.
  8. 17. The membrane potential at which an action potential begins is called the
  9. 18. Smaller myelinated axons
  10. 19. Faster and uses less energy.
  11. 20. Unmeylinated
Down
  1. 1. What are passive channels that allow ions across the plasma membrane
  2. 2. Releases ACh
  3. 3. An increase in the negativity of the resting membrane potential.
  4. 5. Example of Active Transport
  5. 6. Last approximately 50 msec.
  6. 7. The cell undergoes a dramatic electrical change.
  7. 9. Hyperpolarization of the postsynaptic membrane is
  8. 14. Transmit signals across a synapses from one neuron to another neuron.
  9. 15. A n electrical impulse is transmitted across a synaptic cleft by the release of a chemical neurotransmitter from the axon terminal of a presynaptic neuron.