Term Name:	retrograde trans-synaptic signaling by neuropeptide, modulating synaptic transmission
Synonyms:
Definition:	Modulation of synaptic transmission by cell-cell signaling across the synaptic cleft from postsynapse to presynapse, mediated by a neuropeptide.
Ontology:	GO: Biological Process [GO:0099083]    QuickGO    AmiGO