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Understanding the Pituitary Gland and Hormones in the Endocrine System

Explore the vital role of hormones and the organs of the endocrine system, including the pituitary gland. Learn about key hormones and their functions, such as insulin, estrogen, and testosterone. Uncover the interconnected mechanisms that regulate various bodily processes. Discover the significance of the pituitary gland in maintaining hormonal balance and overall health.

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Understanding the Pituitary Gland and Hormones in the Endocrine System

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  1. EndocrineSystem Hormones and Organs that secrete

  2. Please label the diagram 1-10 Th: Feb 27, 2014 LT: I can identify and describe the role of hormones of the Endocrine system.

  3. 1. 2. 4. 3. 14. 5. 13. 6. 12. 11. 8. 7. 10. 9.

  4. Adrenal Gland • Aldosterone • Na+ retention by kidney • Cortisol • Stress hormone • Adrenaline • Fight or flight response

  5. Hypothalamus • GnRh/ Gonadotropin Releasing Hormone • Sex Drive

  6. Ovaries • Estrogen • Stimulates the development of female secondary sex characteristics • Produces an environment suitable for fertilization, implantation, and growth of embryo

  7. Pancreas • Insulin • Stimulates cells to take up glucose • Glucagon • Release glucose from glycogen • Maintain blood glucose levels

  8. parathyroid • Parathyroid Hormone/ PTH • Regulates the level of blood calcium and phosphate ions

  9. Pineal gland • Melatonin • Regulates circadian rhythms

  10. pituitary • Oxytocin • Uterine contraction/milk production • Vasopressin/ADH: Antidiuretic hormone • Causes kidneys to reduce water excretion • Growth Hormone/ Gonadotropin/ GH • Stimulates increase in size and mitotic rate of body cells, increases fat utilization • Promotes long bone growth

  11. Pituitary • Follicle Stimulating Hormone/ FSH • Development of ovarian follicles, stimulates follicular cells to secrete estrogen • In men, stimulation of sperm production • Luteinizing Hormone/ LH • Promotes secretion of sex hormones • In women, promotes egg release • Prolactin/PRL • Sustains milk production after birth

  12. Testes • Testosterone • Stimulates the development of male secondary sex characteristics

  13. thymus • Tyrosine • Produces T-Cells and lymphocytes

  14. thyroid • Thyroxin • Stimulates the consumption of O2 and thus the metabolism • Calcitonin • Lowers blood calcium • Deposits to bone

  15. I am Joe’s Pituitary Gland • Describe the pituitary gland. • Explain the pituitary gland’s role in the endocrine system. • List at least three hormones secreted by the pituitary gland. • What did doctors originally identify as the function of the pituitary gland and why? • Why is it believed that the pituitary gland is the answer to the cancer riddle? • Discuss one possible side affect of an injury to the pituitary gland.

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