2402 Lecture Test 2

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Author:
Atljavy8
ID:
134530
Filename:
2402 Lecture Test 2
Updated:
2012-02-11 22:05:32
Tags:
Chapter 18 Endocrine System 19 Blood
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Description:
Chapter 18 Endocrine System and Chapter 19 Blood
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  1. Homeostasis
    to stay the same
  2. Exocrine Secretion
    secretions that leave the body, secretions onto external surface of body (sweat, sebrum, cerumen, saliva, digestive secretions)
  3. Endocrine Secretion
    secretions into surround fluid or into the bloodstream
  4. Stimulus
    Any detectable change in the environment
  5. Hormone
    any substance secreted by a group of cells that have a tropic effect (changes in physiology) on a distant cell
  6. Target cells
    any cell that has receptors for a specific hormone
  7. Membrane receptor
    intergral membrane proteins on surface of target cell. When a hormone binds to receptor it causes a signal using a 2nd messanger system (G-protein)
  8. Intracellular receptor
    a protein in cytoplasm in a target cell. When a hormone binds it alters protein synthesis of a target cell
  9. Intranuclear receptor
    proteins in the nucleus of a target cell. When a hormone binds it alters protein synthesis of a target cell
  10. Signal transduction
    converting a signal into a phisological response

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