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प्रश्न
Fill in the blank with the function in the following:
Meninges: ______
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उत्तर
Meninges: It provides protection to brain and spinal cord.
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संबंधित प्रश्न
Differentiate between following pair with reference to the aspect in bracket.
cerebrum and spinal cord (arrangement of cytons and exons of neurons).
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
Distinguish between the following pair of words:
Motor and sensory nerve
Give one point of difference between the following on the basis of what is indicated:
Cerebrum and spinal cord. (Arrangement of neurons)
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?
The diagram given below represents the spinal cord of a mammal, seen in a transverse section together with the nerves. Study the diagram and then answer the questions given below:
(i) Label the parts 1—8 indicated by guidelines.
(ii) What do the arrows indicate? What is the pathway indicated termed?
(iii) What type of nerve is shown in the diagram?
Which neuron conducts impulse from the spinal cord to the effector organ?
Which statement is correct regarding spinal nerves in man?
How are cytons and axons arranged in the spinal cord?
In humans, the number of spinal nerves are ______.
