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zns889 zns889
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6 years ago
Opioid receptors are highly concentrated in which region of the CNS and produce pain relief through the release of endogenous opioids?
 
  A) The enkephalins
  B) Primary afferent neurons
  C) Thalamus
  D) Periaqueductal gray (PAG) region
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gool34gool34
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6 years ago
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zns889 Author
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You make an excellent tutor!
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This site is awesome
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Thanks
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