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प्रश्न
People living in hilly regions usually suffer from simple goitre. Explain.
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उत्तर
Iodine is essential for the production of thyroxin by the thyroid gland. The people living in hilly regions receive insufficient iodine in their diet, due to the fact that they drink iodine deficient water from rivers and streams fed by melting snow. Even their diet has little or no iodine. When there is a deficiency of iodine in the diet the thyroid gland enlarges in order to compensate for this deficiency resulting in goitre.
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संबंधित प्रश्न
Choose the odd one out from each series
The conditions – cretinism, myxoedema, goiter, scurvy
………………………………………….
Given ahead is a portion from the human body showing some important structure in ventral (front) view.
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- Where is this portion located in the body?
- Name the structures numbered 1-3.
- State one main function of each of the structures named above.
- Is there any duct to carry the secretions from the structure numbered 2? If so, give its name.
Name the following:
Hormone regulating metamorphosis.
How is iodine important to our body?
Fill in the Blanks:
The activities of the thyroid gland are controlled by ______ secreted by the ______.
Fill in the Blanks:
Lack of iodine in diet causes ______.
Exophthalmic goiter is due to the over secretion of thyroxine.
Iodine is necessary for the synthesis of which of the following hormone?
Mention the difference between hypothyroidism and hyperthyroidism.
Give reason.
Simple goitre can be prevented by using iodised salt in food.
