The term "fossa duodenalis inferior" refers to a specific anatomical region within the duodenum, the first part of the small intestine. While there aren't many direct synonyms for this specific term, it can be described using alternative phrases. One such way is to refer to it as the "lower duodenal fossa" or the "inferior duodenal pit". Additionally, it can be mentioned as the "inferior recess of the duodenum". Being aware of various ways to express the same anatomical location is crucial in medical and anatomical literature to ensure accurate communication among healthcare professionals and researchers.