| 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: | neuroepithelial cell | 
|---|---|
| Synonyms: | neuroepithelial cells | 
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0009306] |