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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)
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. |
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संबंधित प्रश्न
Describe T.S. of the spinal cord.
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
Distinguish between the following pair of words:
Motor and sensory nerve
Choose the correct answer.
Number of spinal nerves in human beings ______________
Give Technical Term:
The brain and spinal cord together constitute the system known as.
Mention, if the following statement is True or False
Spinal nerves are twelve pair
Sketch and label T. S. of Spinal cord.
Describe the structure of the spinal cord.
Given below is the transverse section of the spinal cord. Read the information below the diagram and fill in the blanks:
The spinal cord extends from the medulla oblongata of the brain and runs down through the whole length of the vertebral column. The spinal cord is covered by the meninges. It conducts impulses from the skin and muscles to the brain. It also conducts impulses from the brain to the muscles of the trunk and limbs.
The spinal cord is a part of the (a) ______ Nervous System. The grey matter in the picture given above consists of (b) ______ while the white matter consists of (c) ______. The spinal cord is concerned with the (d) ______ actions below the neck. (e) ______ is the bony structure that protects the spinal cord.
Mention where in the human body is the following located and state its main function:
Central canal
