Middle Third of the Esophagus

**Semantic type:** Body Location or Region

**Definition:** The middle one third of the esophagus in which the muscle layer is composed of muscle cells of the striated and smooth types.

**Synonyms:** - ESOPHAGUS, MIDDLE THIRD - Esophageal; Mid - Middle Third - Middle Third of Esophagus - Middle third of esophagus - middle part of esophagus