Examlex
Inadequate levels of thyroxine during infancy results in retardation of mental and physical growth. This syndrome is known as
Tolerance
The process by which the response to a substance decreases with repeated exposure, leading to the need for increased amounts to achieve the same effect.
Antigens
Substances that provoke an immune response in the body, often foreign proteins or polysaccharides that are recognized by antibodies or immune cells.
Unresponsiveness
The state of not reacting to stimuli or not exhibiting any response.
Cytotoxic T cells
A type of immune cell that kills cancer cells, cells that are infected with viruses, or cells that are damaged in other ways.
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