Localization of the 5-hydroxytryptamine 4 receptor in equine enteric neurons and extrinsic sensory fibers.
F GiancolaA M RambaldiF BiancoS IuscoN RomagnoliC TagliaviaC BombardiP ClavenzaniR De GiorgioRoberto ChiocchettiPublished in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2017)
The presence of 5-HT4 in many enteric and extrinsic sensory neurons and nerve fibers provides solid morphological evidence of the cellular sites of 5-HT4 expression in horses. The evidence of SP-IR sensory neurons positive for 5-HT4 suggests its role in visceral sensitivity.