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प्रश्न
Write one word for the following:
Point of contact between two nerve cells.
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उत्तर
Synapse
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संबंधित प्रश्न
Explain the following process:
Transmission of a nerve impulse across a chemical synapse
Sketch and label formation of typical spinal nerve.
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 |
What are the number of Na+ ions pumped out, and K+ ions pumped into the cell, with respect to the Na+ - K+ pump?
Which ions is the resting membrane more permeable to?
Neurotransmitters are removed from synaptic cleft by ____________ after transmission of impulse.
Which of the following is TRUE for the external tissue fluid in polarized state?
What is the difference between electrical transmission and chemical transmission?
The electronegativity inside the membrane is due to
