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प्रश्न
Name the cells that are released from the above-mentioned gland. Mention how they help in immunity.
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उत्तर
T- cells do not themselves produce antibodies, but help B-cells to produce them. They are also responsible for the cell-mediated immune response (CMI).
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संबंधित प्रश्न
Mention the first vaccine developed against any human disease.
Expand the following: SCID
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.
State the role of the thymus as a lymphoid organ. Name the cells that are released from it and mention their function.
State the significance of mother’s milk to a newborn.
Which cells deliver co-stimulatory signals for helper T-cells?
Match column I with column II and choose the correct option.
| Column I | Column II | ||
| i. | Specificity | a. | Lymphocytes produced against each particular foreign molecule |
| ii. | Diversity | b. | Self-cells are not attacked by immune system of the own body |
| iii. | Memory | c. | Immune system works against multiple pathogens |
| iv. | Discrimination between self and non-self | d. | Stronger immune response on second encounter |
______ provides a physical barrier.
Which of the following best describes what the immune system does in terms of distinguishing cells?
What happens to most sensitised lymphocytes or effector cells after they are produced by a stimulated lymphocyte?
