Advertisements
Advertisements
Questions
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:
Cerebrum and spinal cord (arrangement of cytons and axons of neurons)
Advertisements
Solution
| Cerebrum | Spinal Cord |
| The outer layer of the cerebrum, known as the cerebral cortex, contains cytons (neuron cell bodies). Axons are located deeper within the cerebrum. | Cytons are located in the inner gray matter of the spinal cord, while axons are found on the matter itself. |
RELATED QUESTIONS
Describe T.S. of the spinal cord.
Where is this located?
Meninges
Where is this located?
Ganglia
Choose the correct answer.
Number of spinal nerves in human beings ______________
Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.
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?
Sketch and label T. S. of Spinal cord.
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
Spinal nerves are usually ______
