| Name: | brain | 
|---|---|
| Synonyms: | brain structure | 
| Definition: | Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system. | 
| Ontology: | Anatomy Ontology [ZFA:0000008] | 
| Name: | neuroblast (sensu Vertebrata) | 
|---|---|
| Synonyms: | |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0009168] |