1994h-048 1999a-541 2016f-976 adverseeffects afferent afferentpathways alimentarycanal anatomy atlases autonomic autonomicganglia bacteria biliarytract biopsy blood-vessels bloodsupply colonicdiseases complications computer-assistedsurgery congresses cytodiagnosis cytology development diagnosis diagnosticimaging diagnostictechniques digestion digestiveorgans digestivesystemdiseases digestivesystemphysiologicalphenomena diseases endoscopicsurgery endoscopy esophagealdiseases esophagus exfoliativecytology functional ganglia gastroenterology gastrointestinaldiseases gastrointestinalhormones gastrointestinalsystem general growth histology histopathology humanbody innervation intraoperativecomplications irritablecolon juvenileliterature mammals medical metabolism methods microbialmetabolism microbiology microcirculation monitoring needlebiopsy neurons neuropeptides opossums pancreas pathological pathology physiologic physiology physiopathology psychology psychophysiologicdisorders psychosomaticaspects rd540 sensoryreceptorcells surgery virginiaopossum wi100f191n1988 wi100i613s1989 wi102d57271994 wi102g381s1998 wi102i608i1983 wi141 wi17d272a1983 wi17t137a1983 wi17t664d1971 wi250e76282005