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प्रश्न
Answer the following question:
The principle of vaccination is based on the property of the "memory" of the immune system. Taking one suitable example, justify the statement.
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उत्तर
The principle of vaccination is based on the property of 'memory' of the immune system. In vaccination, a preparation of antigenic proteins of the pathogen or attenuated (inactivated/weakened) pathogen is introduced in the body. The antibodies produced in the body against these pathogens will neutralize the pathogenic agents during actual infection. The vaccine also generates memory B-cells and T-cells that recognize the pathogen quickly on subsequent exposure. For example, vaccination against polio prevents the actual pathogen from resulting in infection.
संबंधित प्रश्न
Write a note on ‘artificial acquired active immunity’.
State the cause of adenosine deaminase enzyme deficiency.
Highlight the role of thymus as a lymphoid organ.
Name the cells that are released from the above-mentioned gland. Mention how they help in immunity.
Which cells stimulate B-cells to form antibodies?
Define health.
Which one of the following is the most accurate definition of the term ‘health’?
Define ‘Health’, as given by WHO.
Virally infected cells release ______ to protect healthy cells from viral infection.
Toxins released by bacteria like tetanus toxin undergo______.
