Term: pneumatic duct epithelium
Name: pneumatic duct
Synonyms:
Definition: A duct connecting the esophagus to the posterior chamber of the swim bladder.
Ontology: Anatomy Ontology [ZFA:0001430]

Name: epithelium
Synonyms:
Definition: Portion of tissue, that consists of one or more layers of epithelial cells connected to each other by cell junctions and which is underlain by a basal lamina.
Ontology: Anatomy Ontology [ZFA:0001486]