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प्रश्न
Where is the thymus gland located and what is its function?
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उत्तर
The thymus gland is located in the mediastinum in front of the heart. This secretes a hormone thymosin which stimulates the lymphocytes to destroy invading microorganisms and antigens. It degenerates on aging, decreasing the immunity in old age.
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संबंधित प्रश्न
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) ______ |
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Give a labeled diagram of parathyroid gland.
State the Location
Thyroid
The mineral element needed for the functioning of the Thyroid gland:
On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.
How is it caused?
List the hormones secreted by the following:
Thyroid
Name the mineral element required for the synthesis of thyroxine.
Thyroid is located close to ______.
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