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प्रश्न
Give reason.
Simple goitre can be prevented by using iodised salt in food.
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उत्तर
- Goitre is a condition induced by an iodine shortage in the diet.
- This condition causes an enlarged thyroid gland and swelling in the neck region.
- It is prevalent in northern India's mountainous regions due to iodine deficiency in the soil and subterranean water.
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संबंधित प्रश्न
match the conditions in column A with the cause in column B.
| A (Condition) | B (Cause) | ||
| a | Dwarfism and mental retardation | 1 | shortage of glucose in blood |
| b | Diabetes mellitus | 2 | Over secretion of growth hormone |
| c | Excess of glucose in blood | 3 | Insulin shock |
| d | Gigantism | 4 | Over secretion of thyroxine |
| e | Enlargement of breasts in adult males | 5 | Hypothyroidism |
| f | Exophthalmic goitre | 6 | Over secretion of cortical hormones |
Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of oversecretion and undersecretion in respect of thyroid, pituitary and pancreas. Fill up the blanks 1–13.
| S.No. | Source Gland cells | Hormone produced | Chief function | Effect of oversecretion | Effect of undersecretion |
| 1 | (1) ______ | Thyroxine | (2) ______ | (3) ______ | (4) ______ |
| 2 | Beta cells of Islets of Langerhans | (5) ______ | Promotes glucose utilisation by the body cells | (6) ______ | (7) ______ |
| 3 | (8) ______ | Growth hormone | (9) ______ | (10) ______ | Dwarfism |
| 4 | (11) ______ | Vasopressin | Increases reabsorption of water from kidney tubule | (12) ______ | (13) ______ |
Define the following:
Exophthalmic goiter
Fill in the Blanks:
In adult deficiency in secretion of thyroid produces a disease called ______.
The mammalian thymus is mainly concerned with:
How does the tongue detect the sensation of taste?
Which diseases is caused by the hypersecretion of mineralocorticoids and glucocorticoids?
Sketch and label histology of thyroid gland.
Which hormone deficiency is responsible for the following?
Goitre
Write the exact location of the following gland:
Thyroid
