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opiate receptor in Medicine

opiate receptor

n.
  1. Any of various cell membrane receptors that can bind with morphine and other opiates; concentrations of such receptors are especially high in regions of the brain having pain-related functions.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.