Background What is a hormone?

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Presentation transcript:

Background What is a hormone? Review the intercellular communication by secreted molecules pg 976 3. Compare the terms water soluble and lipid soluble and give examples of each. Pg 978 4. Read over the Multiple Effects of Hormones” pg 979 and explain how epinephrine has different effects therefore different cellular responses. 5. Look over the Major Human Endocrine Glands on pg 981 & Table 45.1 pg 987

Overview: The Body’s Long-Distance Regulators Animal hormones are chemical signals that are secreted into the circulatory system and communicate regulatory messages within the body Hormones reach all parts of the body, but only target cells are equipped to respond

6. For each of the following (1) Explain the feedback mechanism to maintain homeostasis (2) Explain the effects of a disruption in the feedback mechanism a. Glucose Homeostasis: Insulin and Glucagon b. Thyroid hormone: Metabolism and Development c. Osmoregulation in mammals: ADH-antidiuretic hormone

7. Which two hormones are released by the posterior pituitary gland 7. Which two hormones are released by the posterior pituitary gland? Why is it considered a “neurohormone pathway”?