| Term: | brain regulation of circadian rhythm | 
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. | 
| Name: | brain | 
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| 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: | regulation of circadian rhythm | 
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| Synonyms: | |
| Definition: | Any process that modulates the frequency, rate or extent of a circadian rhythm. A circadian rhythm is a biological process in an organism that recurs with a regularity of approximately 24 hours. | 
| Ontology: | GO: Biological Process [GO:0042752] QuickGO AmiGO | 
