part_of part of is part of part of esophagus serosa of esophagus mesentery mesentery of oesophagus EMAPA:16836 Although all vertebrates have a digestive tract and accessory glands, various parts of this system are not necessarily homologous, analogous, or even present in all species. Therefore, broad comparisons can be best made under the listings of headgut, foregut, midgut, pancreas and biliary system, hindgut.[uncertain][VHOG] MA:0001569 EHDAA2:0001288 VHOG:0000415 gullet mesentery oesophagus mesentery mesentery of gullet meso-esophagus esophagus mesentery A mesentery that is part of a esophagus [Automatically generated definition]. EHDAA:2943 mesentery of esophagus uberon UBERON:0003283