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प्रश्न
Write a short note on the function of the following hormone:
Androgens
उत्तर
- The leydig cells of the testis produce androgens such as testosterone. Testosterone is a male sex hormone that regulates the development of secondary sex characteristics such as facial hair, a hoarse voice, the development of reproductive organs, etc.
- Androgens also regulate the development, maturation, and functions of various male accessory organs such as epididymis and prostate glands.
- It stimulates spermatogenesis and formation of mature sperms. It also influences male sexual behaviour.
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संबंधित प्रश्न
The diagram give below represents an endocrine gland in the human body. Study the diagram and answer the following questions:
Identify the endocrine gland. Where is it located?
The diagram give below represents an endocrine gland in the human body. Study the diagram and answer the following questions:
Name the hormone which in deficiency causes Diabetes Inspidus. How does this disorder differ from Diabetes Mellitus?
Define the following:
Releasing hormones
Sketch and label the V. S. of pituitary gland.
Name the Following: The master gland of the body, because it controls the activity of other endocrine gland also.
Describe any four hormones secreted by Adenohypophysis.
The pituitary gland is divided into four lobes.
What is the hormone responsible for the secretion of milk in females after childbirth?
Identify the parts of adenohypophysis.
All are peptide hormones, EXCEPT ______.
Hormone Cortisol stimulates following processes EXCEPT ____________.
You have learnt that a characteristic feature of endocrine system is the presence of feed back loops. By this what is meant if hormone A stimulates gland ‘X’ to secrete hormone B, the production of ‘A’ could be modified when the level of B changes in our blood. An example is the relation between hormones LH and estrogen (E2). An old woman exhibits the following features. High levels of LH in blood but low levels of E2 in the blood. Another woman exhibits high level of LH in blood and also high level of E2 in the blood. Where is the defect in both these women? Provide suitable diagram to support this answer.
Find out the correct labelling of the given figure.
Where is pituitary located?
Match the hormones with their source :
| Column A | Column B | ||
| (1) | Glucagon | (i) | Neurohypophysis |
| (2) | Adrenaline | (ii) | Islets of Langerhans |
| (3) | Somatotropins | (iii) | Adenohypophysis |
| (4) | ADH | (iv) | Medulla |
Mention if the following statement is true (T) or false (F). If false, rewrite the correct word (not words) striking out the single wrong one.
Pituitary has three lobes - anterior, posterior and intermediate.
Write the full form of LH.
Identify the gland with the help of following clue:
The gland is located in mid-brain below the hypothalamus.
The diagram given alongside shows an endocrine gland in the human body. Study the diagram and answer the following questions:
 |
- Identify the gland. Write its specific location in the human body.
- Label the guidelines 1, 2 and 3 shown in the figure.
- Name any two secretions from part 1 and two from part 2.
- The deficiency of which hormone causes Diabetes insipidus? How is this condition different from Diabetes mellitus with respect to the abnormal substances present in the of urine.
