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प्रश्न
Define Saltatory conduction.
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उत्तर
Saltatory conduction is the rapid passage of action potential along myelinated nerves from one node of Ranvier to the other.
संबंधित प्रश्न
Compare the following:
Resting potential and action potential
Long answer question.
Explain the process of conduction of nerve impulses up to the development of action potential.
Give function of astrocytes in nervous system.
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
Which ions is the resting membrane more permeable to?
Neurotransmitters are removed from synaptic cleft by ____________ after transmission of impulse.
Which of the following statements is TRUE for medullated nerve fibre?
What is the difference between electrical transmission and chemical transmission?
Write a short note on the following:
Synapse
During the phase of depolarisation of nerve impulse, ______.
