PSL 431 Week Four

123456789101112131415161718192021222324252627282930313233343536373839
Across
  1. 1. Principal excitatory neurotransmitter in the brain.
  2. 4. Positive shift in membrane potential.
  3. 5. Chemical signals used between neurons.
  4. 9. Minimum cell potential required to cause an action potential.
  5. 11. Adequate cell depolarization unplugs this receptor, allowing calcium to enter.
  6. 13. Chronic low doses causes profound down regulation of nAchR.
  7. 14. Blocks dopamine reuptake.
  8. 15. This neuron experiences EPSPs.
  9. 17. All-or-nothing voltage pulse.
  10. 19. Continuously variable voltage changes, simply conducted.
  11. 20. Slowly opening potassium channel.
  12. 23. V-gated Calcium channels on this neuron mediate neurotransmitter release.
  13. 26. Long process, specialized for propagation of electrical signal.
  14. 29. Negative shift in membrane potential beyond resting potential.
  15. 31. Intracellular location of secreted neurotransmitters such as dopamine.
  16. 32. Key neurotransmitter in the addiction pathway.
  17. 33. Signaling cells of the nervous system.
  18. 36. Response continues for as long as stimulus does.
  19. 37. Phosphorylates itself during long term potentiation.
  20. 38. Voltage-gated sodium channel during refractory period.
  21. 39. Space between neurons through which chemical signals travel.
Down
  1. 2. Connexons are an important component of this type of synapse.
  2. 3. Describes electric force need to balance concentration gradient for ions.
  3. 6. Graded depolarization of membrane occurring around a ligand bound receptor.
  4. 7. This ion forms the basis for the NMDAR voltage gate.
  5. 8. The V-gated channel for this ion only opens at considerable depolarization.
  6. 10. Ion responsible for depolarization of neurons.
  7. 12. Receiving end of chemical signal.
  8. 16. Describes how the strength of a synapse can be changed over time.
  9. 18. Important neurotransmitter at neuro-muscular junction.
  10. 21. Graded hyperpolarization of membrane occurring around a ligand bound receptor.
  11. 22. GPCRs that are found on olfactory sensory neurons.
  12. 24. These proteins mediate vesicle fusion.
  13. 25. Responds dynamically to changing stimulus.
  14. 26. Ligand (solely) gated ion channel, responds to glutamate.
  15. 27. This form of synapse requires no physical connection between communicating cells.
  16. 28. This type of propagation would not occur without the refractory period.
  17. 30. Negative shift in membrane potential back to resting potential.
  18. 34. Chief inhibitory neurotransmitter in the brain.
  19. 35. Leak channels for this ion primarily drive resting membrane potential.
  20. 37. Protein, important in long term potentiation, and activated by calcium.