Term: fourth ventricle epithelium
Name: fourth ventricle
Synonyms: 4th ventricle, hindbrain ventricle, rhombencephalic ventricle, rhombencephalic vesicle, ventricle IV, ventriculus rhombencephali
Definition: Fluid-filled brain cavity. Most posterior brain ventricle.
Ontology: Anatomy Ontology [ZFA:0000110]

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]