Term: brain regulation of circadian rhythm
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: regulation of circadian rhythm
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