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प्रश्न
Write a short note on the following:
Synapse
उत्तर
- A nerve impulse is transmitted from one neuron to another through junctions called synapses.
- A synapse is formed by the membranes of a pre-synaptic neuron and a post-synaptic neuron, which may or may not be separated by a gap called synaptic cleft.
- There are two types of synapses, namely, electrical synapses and chemical synapses.
संबंधित प्रश्न
Give a brief account of Mechanism of synaptic transmission.
Explain the role of Na+ in the generation of action potential.
Long answer question.
Explain the process of conduction of nerve impulses up to the development of action potential.
What are the number of Na+ ions pumped out, and K+ ions pumped into the cell, with respect to the Na+ - K+ pump?
What is the average potential difference across the nerve cell membrane?
Identify the value of action potential.
Which of the following statements is TRUE for medullated nerve fibre?
Potential difference across resting membrane is negative. This is due to differential distribution of the following ions ______.
Explain the process of the transport and release of a neurotransmitter with the help of a labelled diagram showing a complete neuron, axon terminal and synapse.
Write one word for the following:
Point of contact between two nerve cells.
