Term: esophagus posterior region
Name: esophagus
Synonyms: oesophagus
Definition: Esophagus part of the gut that develops from endodermal precursors at the rostral end of the digestive tract. The esophagus develops independently from the intestine.
Ontology: Anatomy Ontology [ZFA:0000204]

Name: posterior region
Synonyms:
Definition: Anatomical region posteriorly located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000072]