List the hormones secreted by the follow | Class 11 Biology Chapter Chemical Coordination and Integration, Chemical Coordination and Integration NCERT Solutions

Question:

List the hormones secreted by the following:
(a) Hypothalamus
(b) Pituitary
(c) Thyroid
(d) Parathyroid
(e) Adrenal
(f) Pancreas
(g) Testis
(h) Ovary
(i) Thymus
(j) Atrium
(k) Kidney
(l) G-I Tract

Answer:

(a) Hypothalamus: Hormones secreted by the hypothalamus include:

(1) Releasing hormones: These hormones stimulate the secretions of the pituitary hormone. Examples of these hormones are:

(i) Gonadotrophin-releasing hormone

(ii) Thyrotrophin-releasing hormone

(iii) Somatotropin-releasing hormone

(iv) Adrenocorticotrophin-releasing hormone

(2) Inhibiting hormones: These hormones inhibit the secretions of the pituitary hormone. Examples of these hormones are:

(i) Somatostatin

(ii) Growth-inhibiting hormone

(iii) Melanocyte-inhibiting hormone

(b) Pituitary: The pituitary gland has two components i.e., adenohypophysis and neurohypophysis.

Hormones secreted by the adenohypophysis are:

(i) Growth hormone (GH)

(ii) Prolactin

(iii) Thyroid-stimulating hormone (TSH)

(iv) Adrenocorticotrophic hormone (ACTH)

(v) Luteinizing hormone (LH)

(vi) Follicle-stimulating hormone (FSH)

(vii) Melanocyte-stimulating hormone (MSH)

Hormones secreted by the neurohypophysis are:

(i) Oxytocin (Birth Harmone)

(ii) Vasopressin [Anti-diuretic Harmone(ADH)]

(c) Thyroid: The thyroid gland secretes three hormones namely, thyroxin, triiodothyronin, and calcitonin.

(d) Parathyroid: The parathyroid gland secretes a hormone known as the parathyroid hormone.(PTH)

(e) Adrenal: The adrenal gland is divided into two parts, the outer adrenal cortex and the inner adrenal medulla.

Hormones of adrenal cortex include the following:

(i) Mineralocorticoids: The hormone secreted is known as aldosterone.

(ii) Glucocorticoids: The hormone secreted is cortisol.

Hormones of adrenal medulla are adrenaline and nor-adrenaline.

(f) Pancreas: Hormones secreted by the pancreas are insulin and glucagon.

(g) Testis: The hormone secreted by the testis is testosterone.

(h) Ovary: The hormone secreted by the ovary includes estrogen and progesterone.

(i) Thymus: Hormones secreted by the thymus are thymosins.

(j) Atrium: The walls of the atrium secrete atrial natriuretic factor.(ANF)

(k) Kidney: The hormone secreted by kidney is erythropoietin.

(l) G-I tract: The hormones secreted by the G-I tract are Gastrin, secretin, cholecystokinin (CCK), and gastric inhibitory peptide (GIP).


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Comments

  • Prateek
  • 2018-09-18 15:03:14

Around 42 million people in India including children are suffering from thyroid diseases. It is usually more common in women than in men. There are two types of thyroid- hyperthyroidism and hypothyroidism. Here's what I found more about what is hypothyroidism


  • Rahul Patel
  • 2018-02-05 18:57:16

Thank you so much


Comment(s) on this Question

Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 3: List the hormones secreted by the following: (a) Hypothalamus (b) Pituitary (c) Thyroid (d) Para....