[noor-oh-pep-tahyd, nyoor-]
any of various short-chain peptides, as endorphins, that function as neuromodulators in the nervous system and as hormones in the endocrine system.

1970–75; neuro- + peptide Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
neuropeptide (ˌnjʊərəʊˈpɛptaɪd)
a peptide produced by neural tissue, esp one with hormonal activity

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

neuropeptide neu·ro·pep·tide (nur'ō-pěp'tīd', nyur'-)
Any of various peptides found in neural tissue, such as endorphins and enkephalins.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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