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Q. How does the cellular immune response take place?
The lymphocytes that participate in the cellular immune response are the T lymphocytes and T lymphocytes differentiate into three major types: helper T lymphocytes (helper cell), cytotoxic T lymphocytes (cytotoxic T cell) and suppressor T lymphocytes. The cytotoxic cells are the effectors of the system that is they directly attack other cells recognized as foreign (for example, cells infected by virus, fungi cells, neoplastic cells, graft cells, etc.). The suppressor T lymphocytes and the helper cells act as regulators of the system releasing substances that respectively stimulate and inhibit the immune action of T and B lymphocytes. After the primary immune response memory T lymphocytes also remain in the circulation to provide more effective reaction and as well faster in case of future infections.
Types of Forests - Ecosystem The forest biomes of the world have been classified into the three major categories: coniferous forest, tropical forest and temperate forest. C
Which of the following molecules has more direct effect in learning and memory? A) norepinephrine B) epinephrine C) glutamate D) acetylcholine E) glycine Please leave justification
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Hypospadias Hypospadias is the most common congenital anomaly of the penis. In this uretheral opening is situated on ventral side of the shaft of penis in one or several posi
Mode of nutrition of a rabbit
Which is the brain region that receives conscious sensory information? Which is the brain region that triggers the voluntary motor activity? In the brain conscious sensory info
What is the significance of the epiglottis in human body? What happens to the glycogen concentration in the liver cells when the level of adrenaline enhances in the blood strea
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