title: Immunohistochemical evidence for a co-transmitter role of opioid peptides in primary sensory neurons.
mesh_terms: D000818:Animals; D002415:Cats; D004285:Dogs; D004723:Endorphins / Q000502:physiology*; D005724:Ganglia / Q000502:physiology*; D006168:Guinea Pigs; D007150:Immunohistochemistry; D009475:Neurons, Afferent / Q000502:physiology*; D018377:Neurotransmitter Agents / Q000502:physiology*; D011817:Rabbits; D051381:Rats; D013116:Spinal Cord / Q000166:cytology / Q000502:physiology; D013552:Swine; D014276:Trigeminal Nerve / Q000502:physiology*
chemical_list: D004723:Endorphins; D018377:Neurotransmitter Agents