Neuropod cells

Neuropod cells are enteroendocrine cells (EECs) with specialized extensions into the lamina propria. They can release the neurotransmitter glutamate onto vagal afferent nerve terminals bearing glutamate receptors.
Berthoud et al. 2021 Int. J. Obes. 45: 2156-2168

Bacterial molecules might relay signals to the vagus through recently discovered neuropod cells that sit in the lining of the gut, sensing its biochemical milieu, including microbial compounds
Pennisi 2020 science 368: 570-573