title: Evolution of striatal opiate receptors.
mesh_terms: D000818:Animals; D001717:Birds; D002415:Cats; D003342:Corpus Striatum / Q000378:metabolism*; D004285:Dogs; D004331:Drosophila melanogaster; D005260:Female; D006054:Goldfish; D006801:Humans; D008253:Macaca mulatta; D051379:Mice; D008875:Middle Aged; D010802:Phylogeny; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D012453:Saimiri; D014426:Turtles; D014982:Xenopus laevis
chemical_list: D011957:Receptors, Opioid