Neural peptides and neuronal communication.
D000818:Animals; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D009424:Nervous System Physiological Phenomena; D018377:Neurotransmitter Agents / Q000502:physiology; D010455:Peptides / Q000502:physiology*
D004723:Endorphins; D018377:Neurotransmitter Agents; D010455:Peptides