Definition: Mesogastrium is a term used in veterinary medicine to describe the part of the digestive tract in which food enters the stomach. This region is often referred to as the "mesenteric" or "mesothoracic" area, depending on its location relative to the abdominal cavity. Mesogastrium can be divided into two main sections: the mesogastric and the mesogastric vagus. The mesogastric is responsible for the absorption of nutrients, while the