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Hormone: PowerPoint Presentation

Hormone:

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Hormone:

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Presentation Transcript

  1. Hormone: A molecule produced in one organ that is secreted into the blood, and has a physiological effect on specific target cells in a different organ

  2. Figure 13.4 A negative feedback loop involving a hormone.

  3. Figure 13.1 Components of the human endocrine system. (1 of 2)

  4. Figure 13.1 Components of the human endocrine system. (1 of 2)

  5. Figure 13.2 Mechanism of steroid hormone action on a target cell.

  6. Figure 13.3 Mechanism of nonsteroid hormone action on a target cell.

  7. Steroid Hormones • cortisol, cortisone • aldosterone • testosterone • estrogen • progesterone

  8. Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (1 of 2)

  9. Figure 13.11 Secretion of norepinephrine and epinephrine by the adrenal medulla.

  10. Endocrine glands that are composed of nerve cells • Posterior pituitary • Adrenal medulla

  11. Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (2 of 2)

  12. Figure 13.12 The thyroid and parathyroid glands.

  13. Figure 13.14 A goiter caused by dietary iodine deficiency.

  14. Table 13.1 Hormones of the pituitary gland

  15. Figure 13.8 Effect of growth hormone on body growth.

  16. Figure 13.5 Posterior pituitary lobe and hypothalamus. (2 of 2)

  17. Figure 13.7 The relationship between the hypothalamus and the anterior pituitary gland.

  18. Thyroid follicle

  19. Colloid Thyroid follicle Follicular epithelium

  20. Acini Pancreatic islets Duct

  21. Ducts Pancreatic islets Acini

  22. Posterior pituitary Anterior pituitary

  23. Adrenal capsule Adrenal cortex Adrenal medulla

  24. Table 13.4 Other chemical messengers

  25. Table 13.3 Hormones of the digestive tract, kidneys, and heart (DON’T NEED TO KNOW DETAILS)