Orexins sentence example

orexins
  • The nerve cells, or neurons, in this part of the hypothalamus secrete substances known as hypocretins or orexins, which regulate the sleep/wake cycle in humans.
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  • As of the early 2000s, narcolepsy is thought to be an orexin deficiency syndrome; that is, it develops when a person's hypothalamus does not secrete enough orexins to keep the person from falling asleep at inappropriate times.
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  • Samples of cerebrospinal fluid taken from patients with narcolepsy contain little or no orexins.
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