Hypothalamus

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Author:
jollyvulcan
ID:
158721
Filename:
Hypothalamus
Updated:
2012-06-14 07:29:26
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Hypothalamus
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Hypothalamus
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  1. What is/are the funciton(s) of the anterior nucleus of the hypothalamus?
    • 1. Detects elevated body temperature and triggers cooling mechanisms (you lose most of you head through your head which is the most anterior portion of your anatomy)
    • 2. Stimulates the parasympathetic nervous system
  2. What is/are the funciton(s) of the arcuate nucleus of the hypothalamus?
    Produces Dopamine and other releasing factors that affect the anterior hypothalamus
  3. What is/are the funciton(s) of the lateral nucleus of the hypothalamus?
    This is the appetite stimulation center.  If there is a lesion in the lateral hypothalamus, an animal will lose the desire to eat.
  4. What is/are the funciton(s) of the medial preoptic nucleus of the hypothalamus?
    Synthesizes and releases Gonadotropin Releasing Hormone.
  5. What is/are the funciton(s) of the paraventricular nucleus of the hypothalamus?
    Synthesizes Oxytocin
  6. What is/are the funciton(s) of the posterior nucleus of the hypothalamus?
    Controls body temperature by regulating heat conservation (you store fat which is insulating in your posterior)
  7. What is/are the funciton(s) of the posterior lateral nucleus of the hypothalamus?
    Transition between sleep and wake
  8. What is/are the funciton(s) of the tuberomammillary nucleus of the hypothalamus?
    Secretion of histamine to the cortex
  9. What is/are the funciton(s) of the suprachiasmatic nucleus of the hypothalamus?
    Regulates circadian rhythms
  10. What is/are the funciton(s) of the supraoptic nucleus of the hypothalamus?
    Secretes ADH
  11. What is/are the funciton(s) of the ventromedial nucleus of the hypothalamus?
    The satiety center.  Lesions of the ventromedial hypothalamus will cause an animal to get fat.

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