tract, obstruction, mucosa, absorption, wall, canal, cells, contents, flora, epithelium, lumen, bacteria, parasites, motility, worms, disease, peptide, symptoms, infections, disorders, juice, membrane, polypeptide, diseases, catarrh, infection, metaplasia, transport, disturbances, irritation, secretion, secretions, glands, inflammation, tube, walls, lesions, function, microflora, permeability, activity, perforation, tracts, villi, tuberculosis, gas, malabsorption, digestion, loops, muscle, ischemia, bleeding, peristalsis, hemorrhage, resection, putrefaction, cell, disturbance, tissue, colic, lining, loop, amebiasis, protozoa, transit, juices, surgery, indigestion, disorder, fluid, cancer, stasis, atresia, content, anastomosis, movements, enzymes, flow, polyposis, segments, ulcers, injury, phase, origin, parasite, haemorrhage, biopsy, antiseptics, ulceration, transplantation, fortitude, lymphangiectasia, segment, tumors, damage

small, gastro, castro, upper, chronic, biliary, astro, enteric, common, microcolon, sable, anterior