sophagienne
Sophagienne is a feminine adjective historically used in French to denote a relation to the esophagus. In contemporary medical French, the standard form is œsophagienne (masculine œsophagien). The form without the ligature, sophagienne, may appear in older texts or as a nonstandard variant, but it is less commonly used in modern professional writing.
In practice, the concept concerns anything pertaining to the esophagus, the muscular tube that transports food
Anatomy and function: the esophagus is about 25 centimeters long in adults and extends from the pharynx
Use and terminology: while sophagienne may be encountered in some texts, the prevailing nomenclature prefers œsophagienne