Term Name: upper esophagus
Synonyms: proximal part of esophagus, upper third of esophagus
Definition: The upper one third of esophagus in which the muscle layer is composed of muscle cells of the striated type.
Ontology: Uberon Ontology [UBERON:0013472]

Relationships
is part of: esophagus
is a type of: subdivision of digestive tract