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प्रश्न
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
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उत्तर
| Cranial nerve | spinal nerve |
| (i) They arise from brain. | (i) They arise from spinal cord . |
| (ii) There are 12 pairs of cranial nerves . | (ii) There are 31 pairs of spinal nerves . |
APPEARS IN
संबंधित प्रश्न
Differentiate between following pair with reference to the aspect in bracket.
cerebrum and spinal cord (arrangement of cytons and exons of neurons).
Where is this located?
Ganglia
Choose the correct answer.
Number of spinal nerves in human beings ______________
Give the functions of the spinal cord?
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
Spinal cord is enclosed in ____________ of vertebral column.
How are cytons and axons arranged in the spinal cord?
Explain the formation of a typical spinal nerve with the help of a neat labelled diagram.
