Opioid receptor — Opioid receptors are a group of G protein coupled receptors with opioids as ligands.[1][2][3] The endogenous opioids are dynorphins, enkephalins, endorphins, endomorphins and nociceptin. The opioid receptors are 40% identical to somatostatin… … Wikipedia
Opioid dependency — is a medical diagnosis characterized by an individual s inability to stop using opioids even when objectively in his or her best interest to do so. In 1964 the WHO Expert Committee on Drug Dependence introduced dependence as “A cluster of… … Wikipedia
Opioid peptide — Opioid peptides are short sequences of amino acids that bind to opioid receptors in the brain; opiates and opioids mimic the effect of these peptides. Opioid peptides may be produced by the body itself, for example endorphins. The effects of… … Wikipedia
Opioid — Endogenous opioid peptides Skeletal molecular images Adrenorphin Amidorphin Casomorphin … Wikipedia
Opioid antagonist — An opioid antagonist is a receptor antagonist that acts on opioid receptors. Naloxone and naltrexone are commonly used opioid antagonist drugs which are competitive antagonists that bind to the opioid receptors with higher affinity than agonists… … Wikipedia
opioid-induced hallucination — Also referred to as narcotic hallucinosis. The term opioid induced hallucination is indebted to the Greek noun opion, which refers to the sap of a plant or, more specifically, the resin of the opium poppy. The term opioid is used to denote a… … Dictionary of Hallucinations
Opioid-induced hyperalgesia — Opioid induced hyperalgesia[1] or opioid induced abnormal pain sensitivity[2] is a phenomenon associated with the long term use of opioids such as morphine, hydrocodone, oxycodone, and methadone. Over time, individuals taking opioids can develop… … Wikipedia
Opioid dependence — Opioid dependency Classification and external resources ICD 10 F11.2 … Wikipedia
kappa Opioid receptor — Opioid receptor, kappa 1 Rendering based on PDB 2A0D … Wikipedia
delta Opioid receptor — Opioid receptor, delta 1 Rendering based on PDB 1OZC … Wikipedia