Meaning of neuropeptide

neu•ro•pep•tide

Pronunciation: (noor"ō-pep'tīd, nyoor"-), [key]
— n.
  1. any of various short-chain peptides, as endorphins, that function as neuromodulators in the nervous system and as hormones in the endocrine system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.