from The Century Dictionary and Cyclopedia
- Surrounding the esophagus, as the nervous ring around the gullet of many invertebrates.
Sorry, no etymologies found.
Careful lateral search, however, will reveal the dilatation, and the localized periesophageal fixation may be demonstrated.
The esophagus may be narrowed by the pressure of any periesophageal disease or anomaly.
Cancerous stenosis is accompanied by infiltration of the periesophageal tissue, and usually by projecting bleeding fungations.
It is supposed to be formed by the pulling during cough, respiration, and swallowing, on localized adhesions of the esophagus to periesophageal structures, such as inflammatory peribronchial glands.
Invasion from the periesophageal organs produces more or less localized compression and fixation of the esophagus.