| 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: | circadian rhythm |
|---|---|
| Synonyms: | circadian process, circadian response, response to circadian rhythm |
| Definition: | Any biological process in an organism that recurs with a regularity of approximately 24 hours. |
| Ontology: | GO: Biological Process [GO:0007623] QuickGO AmiGO |