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Introduction to Cell Mediated Immunity

Mast cells of...

Question

Mast cells of connective tissue release

A

Vasopressin and histamine

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B

Heparin and histamine

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C

Heparin and calcitonin

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D

Serotonin and melanin

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Solution

The correct option is B Heparin and histamine
A mast cell is derived from the myeloid stem cell and contains many granules rich in histamine and heparin. Mast cells play an important role in allergy and anaphylaxis and are involved in wound healing and defence against pathogens. So, the correct answer is option B.

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(D)	Mast cell	Macrophage	Fibroblast	Collagen fibres

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