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प्रश्न
Histamines are released from ______.
विकल्प
macrophages
T lymphocytes
mast cells
natural killer cells
MCQ
रिक्त स्थान भरें
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उत्तर
Histamines are released from mast cells.
Explanation:
During an allergic reaction, mast cells release histamines, which cause effects such as capillary dilation and itching. The other listed cells are not the principal source of histamine.
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