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
Write the name and the source of hormones regulating the following :
(a) Uterine changes in pregnancy.
(b) Urinary elimination of water.
(c) Metamorphosis of tadpoles.
(d) Plasma Ca+2 level.
(e) Na+ and K+ metabolism.
(f) Blood sugar level.
(g) Uterine contractions at the time of child's birth.
