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Chemical Coordination and Integration

Long Answer Type

71.

Write notes on the following :

i. Hypothyroidism
ii. Melatonin

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Short Answer Type

72. Explain thymus gland.

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Long Answer Type

73. Briefly explain the structure of adrenal gland and hormones secreted by its different parts.

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Short Answer Type

74. Write a note on Melanocyte stimulating hormone.

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Long Answer Type

75. Discuss about functions of aldosterone and Cortisol

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76. Name one abnormalities caused by hypo and hyper secretion of hormones of adrenal cortex.

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Short Answer Type

77. Write a note on adrenal medulla.

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Long Answer Type

78. Distinguish between hormones and enzymes.

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79. Discuss the hormones secreted by hypothalamus.

Hormones secreted by hypothalamus are:

1. Thyrotrophin-releasing hormone : It acts on the anterior lobe of pituitary gland and stimulates it to release thyrotrophin or thyroid stimulating hormone.

2. Adrenocorticotrophin releasing-hormone : It acts on the anterior lobe of pituitary gland and stimulates it to release adrenocoticotrophin hormone.

3. Gonadotrophin releasing hormone : It acts anterior lobe of pituitary gland, resulting in the release gonadotrophin hormone.

4. Somatotrophin-releasing hormone : It stimulates anterior lobe of pituitary gland and directs it to release somatotrophin hormone or growth hormone.

5. Growth inhibiting hormone : It inhibits anterior lobe of pituitary gland not to release growth hormone. eg . Somatostatin

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Short Answer Type

80. Describe gonadotrophin hormone.

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