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Histamines the inflammation producing substances are produced by which cells of the body?
Options
(a) Collagen fibres
(b) Macrophages
(c) Mast cells
(d) Subtentacular cells
Correct Answer:
Mast cells
Explanation:
Mast cells are present in most body tissues, but are particularly numerous in connective tissue, such as the dermis (innermost layer) of skin. Mast cells play an important role in the body’s allergic responses. Mast cells contain metachromatic granules which store a variety of inflammatory mediators. These include:
-Histamine (causes running nose, sneezing and itching, and narrows the airways in the lungs.) and serotonin.
– Proteolytic enzymes that can destroy tissue or cleave complement components.
– H
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Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The two sub-units of ribosome remain united a critical ion level of
- After removal of covering in peath seed consists of
- A man without any knowledge of Botany thinks that is a flower
- Citric acid cycle is also called
- What is the best way to test the relatedness of two species?
Topics: Structural Organisation In Animals (175)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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