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प्रश्न
Name the following :
The layer of the eyeball that forms the transparent Cornea
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उत्तर
Sclerotic layer (Sclera)
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संबंधित प्रश्न
Renal cortex and Renal medulla [Parts of the nephrons present]
The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:
(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
Explain the following term :
Association neuron
‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.
(i) What is A?
(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’
(iii) How much is D?
Our body contains a large number of cells ‘L’ which are the longest cells in the body. L has long and short branches called ‘M’ and ‘N’ respectively. There is a gap ‘O’ between two ‘L’ cells, through which nerve impulse transfer by the release of chemical substance ‘P’.
(i) Name the cells L?
(ii) What are M and N?
(iii) What is the gap O?
(iv) Name the chemical substance P?
Axons ____________.
Which type of neuroglial cells are depicted in the given diagram?
What are the different parts of the multipolar neuron?
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
