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A member asked:
Opioid receptor subtypes, can you tell me about this?
A doctor has provided 1 answer
Evolving science: When I was in med school, specific receptors were just being discovered, and they knew that Mu receptors were the main pain receptor in the brain, while kappa receptors were in the nerve endings, nerves and spinal cord. There are also delta, epsilon and sigma receptors that function to help peristalsis in the bowel, and are involved in cough and in mood. It is now known there are subreceptors too.
Answered 9/9/2014
3.7k views
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