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. Author manuscript; available in PMC: 2023 Feb 16.
Published in final edited form as: Neuron. 2022 Jan 19;110(4):579–599. doi: 10.1016/j.neuron.2021.12.020

Figure 4. Examples of sensory terminals involved in interoception.

Figure 4.

Vagal and glossopharyngeal sensory neurons include second-order chemosensory neurons that receive inputs from upstream sentinel cells, including glomus cells, taste cells, neuroepithelial bodies, and enteroendocrine cells, as well as mechanosensory neurons that form IGLEs and end-net endings. Various neuron types project to different organs, directly or indirectly detect different stimuli, display different terminal morphologies, and evoke different physiological responses.