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

(a) Hypothalamus:-

Releasing hormones:

1. Adrenocorticotropin-releasing hormone (ARH)
2. Thyrotropin-releasing hormone (TRH)
3. Lutenising hormone-releasing hormone (LH-RH)
4. Follicle-stimulating hormone-releasing hormone (FSH – RH)
5. Prolactin-releasing hormone (PRH)
6. Growth hormone
7. Melanocyte stimulating hormone.

Inhibiting hormones:

1. Growth inhibiting hormone
2. Prolactin inhibiting hormone
3. Melanocyte stimulating hormone

(b) Pituitary:-

Hormones secreted:

1. Neurohyophysis – Oxytocin
2. Anti-diuretic hormone
3. Adenohypophysis – Follicle-stimulating hormone (FSH)
4. Growth hormone (GH)
5. Leutinising hormone (LH)
6. Thyroid stimulating hormone (TSH)
7. Adrenocorticotropin hormone (ACTH)
8. Melanocyte-stimulating hormone (MSH)

(c) Thyroid:-

Hormones secreted:

1. Calcitonin
2. Tri-iodothyronine(T₃)
3. Tetraiodothyronine or Thyroxine(T₄)

(d) Parathyroid:-

Hormone secreted:

1. Parathormone (PTH)

(e) Adrenal:-

Hormones secreted:

1. Adrenal cortex – Mineralocorticoids, Glucocorticoids
2. Adrenal medulla – Adrenaline, Noradrenaline

(f)  Pancreas:-

Hormones secreted:

1. Glucagon
2. Insulin
3. Somatostatin

(g) Testis:-

Hormones secreted:

1. Testosterone
2. Androsterone

(h) Ovary:-

Hormones secreted:

1. Relaxin
2. Oestrogen
3. Progesterone

(i) Thymus:-

Hormone secreted:

1. Thymosin

(j) Atrium:-

Hormone secreted:

1. Atrial natriuretic factor (ANF)

(k) Kidney:-

Hormone secreted:

1. Erythropoietin

(l) G-I Tract:-

Hormones secreted:

1. Stomach – Gastrin
2. Intestine – Secretin, Enterogastrone, Cholecystokinin, Enterocrinin, Duocrinin
3. Liver – Angiotensinogen