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प्रश्न
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
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उत्तर
Cerebrospinal fluid
संबंधित प्रश्न
Where is this located?
Ganglia
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?
Complete the following sentence with appropriate word :
The part of the central nervous system which responds to the reflex action is ________.
Mention, if the following statement is True or False
Spinal nerves are twelve pair
Identify the odd item from the following series of words.
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Describe the structure of the spinal cord.
Spinal nerves are usually ______
Mention where in the human body is the following located and state its main function:
Central canal
