| 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: | stem cell |
|---|---|
| Synonyms: | |
| Definition: | A relatively undifferentiated cell that retains the ability to divide and proliferate throughout life to provide progenitor cells that can differentiate into specialized cells. |
| Ontology: | Anatomy Ontology [ZFA:0005957] |