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प्रश्न
Define the following:
Axon
उत्तर
Axon - It is a fibre like process of the neuron which carries impulses away from the cell body.
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संबंधित प्रश्न
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Repolarisation - Depolarisation - Resting (polarised) (during conduction of nerve impulse through a nerve fibre)
Explain the following term :
Association neuron
____________ are the building blocks of the nervous system.
All of the following are associated with the myeline sheath except
Select the motor nerves from the following group.
CNS is mostly made of ______
The basic structural and functional unit of brain is ______.
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
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- Write the technical term for the diagram.
- Name two organs of our nervous system where these cells are richly found.
- How are these cells significant for us?
- Name the cell organelle that is absent in these cells and how does it affect our body metabolism?
- Redraw the same figure and label the following Perikaryon, Axon, Dendrites, Myelin sheath and Node of Ranvier.
