Question:
Which one of the following cells secrete heparin, histamine and serotonin?
Which one of the following cells secrete heparin, histamine and serotonin?
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Memory:
Basophils $\rightarrow$ Histamine + Heparin (allergy response)
Updated On: May 8, 2026
- Lymphocytes
- Basophils
- Eosinophils
- Thrombocytes
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The Correct Option is B
Solution and Explanation
Concept: Different types of white blood cells (WBCs) perform specific functions in immunity.
• Basophils: Release histamine, heparin, and serotonin
• Eosinophils: Combat parasites and allergic reactions
• Lymphocytes: Produce antibodies and immune response
• Thrombocytes: Platelets involved in clotting
Step 1: Identify chemicals.
Heparin (anticoagulant), histamine (inflammation), serotonin are released during immune responses.
Step 2: Match cell type.
These are secreted by basophils.
Step 3: Analyze options.
• (A) Lymphocytes: Antibody production
• (B) Basophils: Correct
• (C) Eosinophils: Allergic response but not these secretions
• (D) Thrombocytes: Clotting
Step 4: Conclusion.
Thus, basophils secrete these substances. Final Answer: Option (B)
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