![Progress of an impulse ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Semelhante a The Nerve Impulse Part 2
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The Nerve Impulse Part 2
- 1. The nerve impulse Part 2
- 3. stimulus The passage of an impulse
- 4. stimulus The passage of an impulse + + + + + - + + + + + - - - - - - + - - - - - +
- 5. stimulus The passage of an impulse + + + + + - + + + + + - - - - - - + - - - - - + Na + Na+
- 6. stimulus The passage of an impulse + + + + + - + + + + + - - - - - - + - - - - - + Na + Na+ local electrical circuit
- 9. successive stimuli increasing intensity of stimulation
- 10. successive stimuli increasing intensity of stimulation threshold intensity
- 11. successive stimuli increasing intensity of stimulation threshold intensity below threshold intensity: no action potentials
- 12. successive stimuli increasing intensity of stimulation below threshold intensity: no action potentials threshold intensity
- 13. successive stimuli increasing intensity of stimulation below threshold intensity: no action potentials threshold intensity action potentials generated
- 16. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms
- 17. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability
- 18. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus
- 19. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus
- 20. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus
- 21. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus absolute refractory period
- 22. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus absolute refractory period
- 23. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus absolute refractory period normal resting excitability
- 24. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus absolute refractory period relative refractory period normal resting excitability
- 25. neurone excitability 0 1 2 3 4 5 6 7 8 time / ms resting excitability stimulus absolute refractory period relative refractory period normal resting excitability refractory period
- 33. axon myelin sheath direction of impulse
- 34. axon myelin sheath direction of impulse + - + - + + - -
- 35. axon myelin sheath direction of impulse + - + - + + - - polarised depolarised
- 36. axon myelin sheath direction of impulse + - + - + + - - polarised depolarised local circuit