Evidence for parallel actions of a molluscan neuropeptide and serotonin in mediating arousal in Aplysia.

@article{Lloyd1984EvidenceFP,
  title={Evidence for parallel actions of a molluscan neuropeptide and serotonin in mediating arousal in Aplysia.},
  author={Philip E. Lloyd and Irving Kupfermann and Klaudiusz R. Weiss},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1984},
  volume={81 9},
  pages={2934-7}
}
The neuropeptide designated SCPB (small cardioactive peptide B), the sequence of which has recently been determined, was found in the accessory radula closer muscle, a muscle involved in biting movements. The ganglia and nerves that innervate the accessory radula closer muscle also contain SCPB. At nanomolar concentrations, it enhances the contractions of the muscle. The effect of SCPB on the muscle resembles the effect of an identified serotonergic neuron that previously was shown to mediate… CONTINUE READING
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