Foregut is a term used in anatomy which refers to the upper part of the digestive tract that includes the esophagus, stomach, and portions of the duodenum. In order to avoid repetition in writing or conversation, it is beneficial to know synonyms for the word foregut. These synonyms include anterior digestive system, upper digestive system, cephalic digestive system, cranial digestive system, precursor alimentary canal, and the cephalad part of the gastrointestinal tract. Utilizing these synonyms will not only enhance communication but also add to one's vocabulary and understanding of anatomy.