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प्रश्न
What are endocrine glands?
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उत्तर
The endocrine glands are ductless glands which secrete hormones. They are poured directly into the blood stream and carried to different parts of the body. Hormones act as chemical messengers and coordinate the activities of various body organs. Chemically, hormones are proteins, amino acids or steroids.
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संबंधित प्रश्न
Give an example of hypercalcemic hormone.
What is the difference between an exocrine gland and an endocrine gland?
Which gland is responsible for the following disease?
Goitre
What do you mean by endocrine system?
Organs like the stomach and intestine are also endocrine glands. Why?
Give the Technical Term: What are releasing hormones?
Give the Technical Term: Name the hormones which lead to the following condition: Growth of beard in women
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column A | Column B |
| (i) Pituitary | (a) produces male sex characteristics |
| (ii) Ovaries | (b) decreases blood sugar level |
| (iii) Thyroid | (c) increases heart and breathing rate raises blood pressure |
| (iv) Thymus | (d) produces female sex characteristics |
| (v) Adrenals | (e) is known as emergency hormone |
| (vi) Hypothalamus | (f) regulates the level of calcium and phosphorus |
| (vii) Pancreas | (g) increases the rate of metabolism |
| (viii) Testes | (h) maintains the level of calcium |
| (ix) Parathyroid | regulates the amount of water excreted in the urine. |
| (x) Cretinism | (j) simulates skeletal growth |
| (xi) Diabetes mellitus | (k) regulates the activities of other glands |
| (xii) Insulin shock | (l) stimulates the development of male and female sex organs |
| (xiii) Gigantism | (m) Shortage of glucose in the blood. |
| (xiv) Enlargement of breasts in adult males | (n) Over-secretion of growth hormone |
| (xv) Exophthalmic goiter | (o) Excess of glucose in the blood |
| (xvi) Acromegaly | (p) Over-secretion of thyroxin |
| (xvii) Addison’s disease | (q) Dwarfism and mental retardation |
| (xviii)Cretinism | (r) Over-secretion of cortical hormones |
| (xix) Dwarfism | (s) Under-secretion of the adrenal cortex |
| (xx) Adrenalin | (t) Under-secretion of thyroxin in children |
| (xxi) Vasopressin | (u) Over-secretion of growth hormones in adults |
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Briefly explain the structure of thyroid gland.
