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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
Related Questions: - Nitrifying bacteria:
- Cryo preservation of gametes of threatened species in viable
- Supply of oxygen to the biogas plant will have
- Compound tissue is defined as
- Choose the correct option for the following events of meiosis in correct sequence:
Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Nitrifying bacteria:
- Cryo preservation of gametes of threatened species in viable
- Supply of oxygen to the biogas plant will have
- Compound tissue is defined as
- Choose the correct option for the following events of meiosis in correct sequence:
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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