Posted by DaveH on October 27, 2001 at 18:00:25:
In Reply to: The Hypothalamus posted by DaveH on October 27, 2001 at 17:49:57:
If you read the test below this would pose to make you ask how many people do we know are blind and suffer from CH. My question would be what if the higher levels of Melatonin are a contol factor for CH?
The suprachiasmatic nuclei are connected to and stimulate the pineal gland which secretes the hormone melatonin at night. There are reciprocal nerve fibers that run from the pineal gland back to the hypothalamus providing a feedback (homeostatic) loop. This feedback loop is the reason that melatonin is used to reset the master clock after jet lag, and it has important implications for treating disorders experienced by blind individuals.
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