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HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE

HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE. THE ENDOCRINE SYSTEM delivered by: Mary-Louise Dieckmann. Second messenger system of the body Uses chemical messages (hormones) that are released into the blood Hormones control several major processes. The Endocrine System.

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HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE

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  1. HLT31507 CERTIFICATE III IN NUTRITION & DIETETIC ASSISTANCE THE ENDOCRINE SYSTEM delivered by: Mary-Louise Dieckmann

  2. Second messenger system of the body Uses chemical messages (hormones) that are released into the blood Hormones control several major processes The Endocrine System

  3. Reproduction Growth and development Mobilization of body defenses Maintenance of much of homeostasis Regulation of metabolism Hormones control:

  4. Hormones are produced by specialized cells Cells secrete hormones into extracellular fluids Blood transfers hormones to target sites These hormones regulate the activity of other cells Hormones

  5. Amino acid-based hormones Proteins Peptides Amines Steroids – made from cholesterol Prostaglandins – made from highly active lipids Chemistry of Hormones

  6. Steriod Homone Action

  7. Hormone does not enter the cell but binds to a membrane receptor Sets off a series of reactions that activates an enzyme Catalyzes a reaction that produces a second messenger molecule Oversees additional intracellular changes to promote a specific response Non-steroidal Hormone Action

  8. Non-steroid Hormone Action

  9. Hormone levels in the blood are maintained by negative feedback A stimulus or low hormone levels in the blood triggers the release of more hormone Hormone release stops once an appropriate level in the blood is reached Control of Hormone Release

  10. Hormonal Stimuli of Endocrine Glands

  11. Humoral Stimuli of Endocrine Gland

  12. Neural Stimuli of Endocrine Gland

  13. Location of Major Endocrine Organs

  14. Hormones from Anterior Pituitary

  15. Hormones from Posterior Pituitary

  16. Thyroid Gland

  17. Example of a Goiter&Graves disease

  18. Calcitonin

  19. Pancreatic Islts

  20. Pancreatic Hormones & Blood Glucose

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