Term: brain negative 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: negative regulation of circadian rhythm
Synonyms: down regulation of circadian rhythm, down-regulation of circadian rhythm, downregulation of circadian rhythm, inhibition of circadian rhythm
Definition: Any process that stops, prevents, or reduces the frequency, rate or extent of a circadian rhythm behavior.
Ontology: GO: Biological Process [GO:0042754]    QuickGO    AmiGO