these findings provide evidence that tail sensory neurons have the inhibitory ach receptor in addition to the known receptors for serotonin ( 5-ht ) , small cardioactive peptide b ( scpb ) , and neuropeptide phe-met-arg-phe-nh2 ( fmrfamide ) .
C0027895
neuropeptide
C0060608
fmrfamide