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प्रश्न
Give one point of difference between the following on the basis of what is indicated:
Cerebrum and spinal cord. (Arrangement of neurons)
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उत्तर १
The arrangement of neurons in
Cerebrum: cytons are present outside and axons are inside
Spinal cord: cytons are present inside and axons are outside.
उत्तर २
| Cerebrum | Spinal cord |
| The inner portion of the cerebrum consists of white matter, mainly containing the axons (nerve fibers) of the neurons. | The inner portion of the spinal cord consists of gray matter containing the cell bodies, motor, and associated neurons whereas the white matter forms the outer layer. |
संबंधित प्रश्न
Name the following:
Inability to speak.
Fill in the blank with the function in the following:
Meninges: ______
Give the functions of the spinal cord?
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?
Complete the following sentence with appropriate word :
The part of the central nervous system which responds to the reflex action is ________.
Sketch and label T. S. of Spinal cord.
Describe the structure of the spinal cord.
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
Explain the formation of a typical spinal nerve with the help of a neat labelled diagram.
In humans, the number of spinal nerves are ______.
