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प्रश्न
Name the layers of adrenal cortex and mention their secretions.
उत्तर
The adrenal cortex has three layers namely Zona glomerulosa, Zona fasciculate and Zona reticulate.
- Zona glomerulosa which constitutes 15% of cortex is a thin outer layer that secretes minerals corticoids
- Zona fasciculate the middle widest layer constitutes 75% cortex and secretes glucocorticosteroids such as cortisol, corticosterone and small amount of adrenal androgen and oestrogen.
- Zona reticulate an inner layer of adrenal cortex constitute about 19% of the cortex and secretes adrenal androgen and small amount of estrogen and glucocorticoids.
संबंधित प्रश्न
Give an example of gonadotrophic hormones.
Give an example of a progestational hormone.
Give an example of a blood pressure lowering hormone.
Describe the T. S. of thyroid gland
add a note on deficiency of thyroxine.
Fill in the blank:
Hormones are produced by ____________.
What would a child suffer from if there was hyposecretion from his thyroid?
Mention three important differences between the action of hormones and that of nerves in the regulatory mechanism of our body.
The diagram give below represents an endocrine gland in the human body. Study the diagram and answer the following questions: 
Explain the term ‘Hormone’. What is the role of Tropic hormones in the human body?
Name the following:
The largest endocrine gland
Give the special function of the following:
Adrenocorticotrophic hormone
Give the special function of the following:
Corpus luteum
Which one of the following statement is true/ false?
Islets of Langerhans are found in the brain.
Define the following:
Exocrine gland
Define the following:
Hypersecretion
Which glands are responsible for the following disease?
(i) Goitre (ii) Diabetes mellitus (iii) Gigantism
(iv) Diabetes insipidus (v) Cretinism (vi) Exophthalmic goiter
Name the hormones secreted by the following glands:
(i) Anterior pituitary
(ii) Testes
(iii) Ovary
(iv) Adrenal cortex
(v) Pancreas
Name the hormone responsible for the following function:
Ossification of bones
Make a table indicating the glands, hormones produced, their main functions and diseases caused due to their hypo and hypersecretions.
What is a hormone?
Which parts of the alimentary canal produce hormones?
Differentiate: Nervous control and Hormonal control.
Fill in the Blanks:
The glands with ducts are called ______.
Place the words at the bottom of the page next to the number that shows the location of the Endocrine Glands.
(1) ________
(2) ________
(3) ________
(4) ________
(5) ________
(6) ________
(7) ________
(8) ________
(9) ________
Pancreas Hypothalamus Pituitary Parathyroid Ovaries Adrenal Thyroid Thymus Testes
Given below is an outline of the human body showing the important glands.
(i) Name the glands marked 1 to 5.
(ii) Name the hormone secreted by 2. Give one important function of this hormone.
(iii) Name the endocrine cells present in part 3.
(iv) Name the hormone secreted by part 3. Give one important function of this hormone.
Choose the Odd One Out.
Choose the Odd One Out
Choose the Odd One Out
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 |
Vasopressin is concerned with:
Which of the following gland is related with immunity?
Hormones are known as chemical messenger. Justify.
Write a detailed account of gastro intestinal tract hormones.
______ gland is located in the neck region.
Label the endocrine glands in the given figure.
Distinguish between Diabetes mellitus and Diabetes insipidus (endocrine gland concerned).
