Endocrine System - Lecture Twenty Six : Pancreas, Hypothalamus, Pituitary and Growth Hormones

3 important questions on Endocrine System - Lecture Twenty Six : Pancreas, Hypothalamus, Pituitary and Growth Hormones

What is the function and location of the hypothalamus?

  • Location : In the brain
  • Function : Controls the secretion of pituitary hormones
The hypothalamus is attached to the Posterior pituitary lobe by axons and to the anterior pituitary lobe by blood vessels

What hormones are released by the Pituitary Gland?

Antidiuretic hormone (ADH)
  • Stimulates the kidneys to reabsorb water
Oxytocin
  • Stimulates the contraction of uterine muscles during childbirth
  • Stimulates milk release in breastfeeding

What are some examples of Growth hormone disorders ?

Gigantism:
  • Caused by hypersecretion of GH
  • Excessive growth
  • Acromegaly is the adult form of gigantism (after the growth plates have fused)
Dwarfism:
  • Caused by hyposecretion of GH
  • Reduced growth

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