The opiate receptor.
D000818:Animals; D001667:Binding, Competitive; D001921:Brain / Q000378:metabolism; D002417:Cattle; D002421:Caudate Nucleus / Q000378:metabolism; D002462:Cell Membrane / Q000378:metabolism; D004285:Dogs; D004745:Enkephalins / Q000378:metabolism; D007700:Kinetics; D009022:Morphine Derivatives / Q000378:metabolism; D009270:Naloxone / Q000378:metabolism; D010902:Pituitary Gland / Q000378:metabolism; D011863:Radioimmunoassay; D011869:Radioligand Assay; D011957:Receptors, Opioid / Q000378:metabolism*
D004745:Enkephalins; D009022:Morphine Derivatives; D011957:Receptors, Opioid; D009270:Naloxone