Eye of newt and toe of frog: substance P and the charmed pot of neuropeptides.
D000313:Adrenal Medulla / Q000502:physiology; D000818:Animals; D001001:Anura; D002211:Capsaicin / Q000502:physiology; D002276:Carcinoid Tumor / Q000378:metabolism; D005728:Ganglia, Sympathetic / Q000502:physiology; D006801:Humans; D009419:Nerve Tissue Proteins / Q000502:physiology*; D009476:Neurons, Efferent / Q000502:physiology; D018377:Neurotransmitter Agents / Q000502:physiology; D009799:Ocular Physiological Phenomena; D013373:Substance P / Q000378:metabolism / Q000502:physiology*
D009419:Nerve Tissue Proteins; D018377:Neurotransmitter Agents; D013373:Substance P; D002211:Capsaicin