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Receptors, Opioid

Cell membrane proteins that bind opioids and trigger intracellular changes which influence the behavior of cells. The endogenous ligands for opioid receptors in mammals include three families of peptides, the enkephalins, endorphins, and dynorphins. The receptor classes include mu, delta, and kappa receptors. Sigma receptors bind several psychoactive substances, including certain opioids, but their endogenous ligands are not known.

Year introduced: 1994

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Subheadings:

Tree Number(s): D12.776.543.750.695.620, D12.776.543.750.720.600.610, D12.776.543.750.750.555.610

MeSH Unique ID: D011957

Entry Terms:

  • Opiate Receptors
  • Opioid Receptor
  • Receptor, Opioid
  • Opioid Receptors
  • Opiate Receptor
  • Receptor, Opiate
  • Receptors, Opiate
  • Enkephalin Receptor
  • Receptor, Enkephalin
  • Receptors, Enkephalin
  • Enkephalin Receptors
  • Receptors, Narcotic
  • Narcotic Receptors
  • Receptors, Normorphine
  • Normorphine Receptors
  • beta-Endorphin Receptor
  • Receptor, beta-Endorphin
  • beta Endorphin Receptor
  • Receptors, beta-Endorphin
  • Receptors, beta Endorphin
  • beta-Endorphin Receptors
  • Receptors, Endorphin
  • Endorphin Receptor
  • Receptor, Endorphin
  • Endorphin Receptors

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