title: Evidence that axons containing substance P in the guinea-pig ileum are of intrinsic origin.
mesh_terms: D000818:Animals; D001369:Axons / Q000502:physiology*; D004246:Dimethylphenylpiperazinium Iodide / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D007082:Ileum / Q000294:innervation*; D008297:Male; D009121:Muscle Denervation; D009434:Neural Pathways / Q000033:anatomy & histology; D012601:Scopolamine / Q000494:pharmacology; D013373:Substance P / Q000378:metabolism / Q000502:physiology*
chemical_list: D013373:Substance P; D004246:Dimethylphenylpiperazinium Iodide; D012601:Scopolamine