interneuron of myenteric plexus descending interneuron of myenteric plexus 2026-03-10T14:42:58Z An interneuron of the myenteric plexus whose axon projects aborally (in the descending direction) along the gut axis. This neuron class encompasses multiple chemically diverse subtypes including serotonergic (5-HT+), nitrergic (NOS1+), and other populations, forming the inhibitory limb of descending reflex pathways. descending myenteric interneuron GitHub Copilot