title: [Possible existence of enkephalin neurons in the striopallidal pathway in rat brain].
mesh_terms: D000818:Animals; D003342:Corpus Striatum / Q000033:anatomy & histology*; D005917:Globus Pallidus / Q000033:anatomy & histology*; D051381:Rats; D011957:Receptors, Opioid / Q000302:isolation & purification* / Q000502:physiology
chemical_list: D011957:Receptors, Opioid