1. When an action potential arrives, the bags rapidly fuse with the cell membrane, dumping their Figure 3.

2. To cross this gap, an action potential must be converted from an electrical signal to a chemical signal.

3. An action potential in the presynaptic neuron releases neurotransmitter into the cleft.

4. This results in prolonging the action potential and thus increases calcium influx into the cell.

5. This change of potential difference is termed the action potential.

6. Hodgkin - Huxley Model of the Action Potential.

7. Resting potential; Action potential; Proton; Membrane potential.

8. Effect of electronic dental anesthesia on the action potential of the cat biventer induced by electronic stimuli.

9. Objective To observe the effects of oxymatrine on action potential in normal rats and arrhythmic rats induced by aconitine .

10. Objective: To study the membrane ionic basis of action potential prolongation of hypertrophied left ventricular myocytes in spontaneously hypertensive rats (SHR ).

11. In the presence of Dragon's Blood, the action potential amplitude of the bullfrog sciatic nerve was decreased, the conduction velocity was slowered and the refractory period was delayed.

12. OBJECTIVE To study the effect of puerarin on action potential and delayed rectifier potassium current in guinea pig papillary muscles.

13. The decrease in muscle fibre action potential conduction velocity(MCV) and electromyographic mean power frequency(MPF) has been reported by many researchers.

14. An experimental technique for recording monophasic action potential from rabbit heart in situ was described.

15. Arriving at the post synaptic membrane,(/action potential.html) it causes a change in its permeability so that a new action potential begins.

16. The result is that a larger stimulus is required to trigger an action potential.

17. This traveling wave of altered electrical potential is called an action potential, more commonly known as a nerve impulse.

18. The neurotransmitter then diffuses across to the postsynaptic neuron, and starts a new action potential in it.

19. Conclusion: Zhigancao Decoction makes the ventricle muscle cell of rats' date action potentials(APD) and 50%, 90% of duration of action potential(APD50 and APD90)decrease.

20. It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.

21. The numerical method is used to study the influence of action potential of cardiac tissue on cardiac rhythm.

22. The all-or-none law suggests that, once the threshold for firing has been reached, the strength of an action potential is constant.

23. The electrophysiological changes were recorded continuously, The nerve conductive velocity decreased, the action potential amplitude decreased and the latency time prolonged.

24. AIM To observe the effects of safflower yellow pigment (SYP) on action potential and calcium current in single guinea pig ventricular myocyte.

25. However, the antidromic method is more comfortable than the orthodromic one and can record a better recognizable sensory nerve action potential.

26. Transient outward potassium current takes part in the repolarization of action potential and plays an important role in cardiac function.

27. AIM To observe effects of the newly synthetized nortropane derivative 8310 on the fast response action potential of isolated guinea-pig atria.

28. Objective To investigate the effect and mechanism of sphingosine 1-phosphate(S1P)on action potential(AP)and voltage-dependent potassium current(KV)in isolated guinea pig ventricular myocytes.

29. Surveys 19-22 years old male, the female student right median nerve speed normal value. Obtains 34 compound muscle action potential oscillogram.

30. The numerical results show that the ring targets or spiral waves generated by cardiac action potential affect the cardiac rhythm greatly.

31. The abnormality of the action potential repolarization in cardiomyocyte is closely related with arrhythmia.

32. The effects of paeonol on both action potential and Na current were concentration dependent.

33. It is well established that the cardial contraction is initiated when action potential depolarizes the sarcolemma.

34. Methods: The action potential of sciatic trunk and contract curve of sural muscle of hoptoad were recorded, and the time of fatigue in nerve center, neuro-muscular junction and muscle was checked.

35. Class III anti - arrhythmic drugs ( such as amiodarone ) act ia prolongation of the action potential.

36. CONCLUSION: The local negative electric field that is brought about by action potential can directly initiate and participate in myelination in the CNS.

37. Standard microelectrode intracellular recording technique was used to record action potential(AP) of ventricular papillary muscles.

38. As the antidromic action potential, the pre-EPSP propagates along the lateral dendrite simply in the manner of electrotonic spread.

39. Results Antiarrhythmic effect of COE may be related to its prolongation of action potential duration, increase of the absolute value of resting potential and a decrease of autonomy of sinus node.

40. Methods: To observe and compare the rabbit sciatic nerve-trunk action potential conduction velocity and transmission attenuation time.

41. Thus, the new concept was concluded that resting potential and action potential are membrane potentials of proton.

42. It is well established that the cardiac contraction is initiated when an action potential depolarizes the sarcolemma.

43. Intercellular action potential or conduction of excitation termed intercellular conduction.

44. Action potential ( AP ) parameters were recorded in the NZ and AZ.

45. The overall effect in current clamp experiments was an increase in excitability as indicated by decreased rheobase and lower action potential threshold.

46. AIM: To evaluate the effect of captopril on action potential duration and outward delayed rectification potassium current (Ik).

47. The specific dispersion of M cells was used in the study of the transmural spread of action potential.

48. Neither sodium valproate nor Verapamil showed any effect on action potential amplitude, overshoot, resting potential and phase O upstroke velocity.

49. CONCLUSION: Captopril exerts electrophysiologic action due to decreasing delay outward rectification potassium current and prolonging action potential duration of APD30, APD50 and ERP.

50. In the acute isolated bullfrog sciatic nerve, the amplitude, conductivity and refractory period of the action potential were also observed respectively after administration.

51. Methods Effects of quinidine and verapamil on the alteration of action potential duration induced by aconitine were studied by use of the whole cell patch clamp techniques in rat ventricular myocytes.

52. LAs block action potential generation by blocking voltage – gated Na + channels.

53. Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and checking the time of fatigue in nerve center, neuro-muscular junction and muscle.

54. Furthermore, osthol decreased the action potential amplitude of isolated sciatic nerves in toads.

55. Aim:By observing the effects of Nodakenin on action potential in guinea pig papillary muscles to study the mechanism of Nodakenin against arrhythmias.

56. To investigate the effect of lactate solution of different concentration on action potential of ventricular papillary muscle cell and contractile force.

57. ConclusionRadix Aconiti Kusnezoffii can block the conduction of action potential of nerve reversibly.

58. We found that(1) cochlear microphonics (CM) and cochlear action potential(AP)changed synchronously,() but summating potential(SP) kept stable while endocochlear potential (EP)decreased.

59. By using standard microelectrode technique , we studied the transmembrane action potential on rabbit conus arteriosus ( infundibulum ).

60. Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad , and measuring the time of fatigue in nerve centre, neuro-muscular junction and muscle.