| neuropeptide | <biochemistry> Peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators). (18 Nov 1997) |
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| neuropeptide y | A substance that sometimes functions as a neurotransmitter. Some research shows that neuropeptide Y may be involved in Alzheimer's disease. (22 May 1997) |
| neuropeptides | Peptides released by neurons as intercellular messengers. Many neuropeptides are also hormones released by non-neuronal cells. (12 Dec 1998) |
| receptors, neuropeptide | Cell surface receptors that bind specific neuropeptides with high affinity and trigger intracellular changes influencing the behaviour of cells. Many neuropeptides are also hormones outside of the nervous system. (12 Dec 1998) |
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| receptors, neuropeptide y | Cell surface proteins that bind neuropeptide y with high affinity and trigger intracellular changes which influence the behaviour of cells. (12 Dec 1998) |