Fig. 1

The organization of the enteric nervous system (ENS) in the porcine descending colon. a the scheme; b the view under florescent microscope, where nervous structures are labelled with directed towards protein gene product 9.5 (PGP 9.5) used as panneronal marker. LM – longitudinal muscle layer; CM – circular muscle layer; submucosal layer; ML – mucosal layer; MP – myenteric plexus; OSP – outer submucous plexus; ISP – inner submucous plexus. Bar 100 μm