Chronic VNS reduces the severity of TNBS-induced colitis in rats.

<p>(A) Effects of administration of VNS after colonic instillation with TNBS; CMDI scores were quantified and expressed as the mean±SEM. (B) Representative macroscopic appearance of colonic mucosa across groups. * P<0.05 versus the control group and VNS group; △P<0.05 versus the TNBS group.