MeSH Browser

MeSH Heading: Circadian Rhythm
Tree Number(s): G07.180.562.190
Unique ID: D002940
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D002940
Annotation: drug administration based on circadian rhythm = DRUG CHRONOTHERAPY: do not coordinate with CIRCADIAN RHYTHM or DRUG ADMINISTRATION SCHEDULE; jet lag: index JET LAG SYNDROME
Scope Note: The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs or environmental and physiological stimuli.
Entry Term(s): Diurnal Rhythm; Nycthemeral Rhythm; Nyctohemeral Rhythm; Twenty-Four Hour Rhythm
See Also: Biological Clocks; Chronotherapy; Circadian Clocks; Photoperiod
Public MeSH Note: 66; DIURNAL RHYTHM was see under CIRCADIAN RHYTHM 1975-85
History Note: 66(64); DIURNAL RHYTHM was see under CIRCADIAN RHYTHM 1975-85 (Prov 1969-74)
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/02/26

Allowable Qualifiers: drug effects (DE)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Concept UI: M0004500
Scope Note: The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs or environmental and physiological stimuli.
Terms: Circadian Rhythm Preferred Term
Term UI T008510
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1964); Nycthemeral Rhythm
Term UI T000890037
Date11/05/2015
LexicalTag NON
ThesaurusID NLM (2017); Nyctohemeral Rhythm
Term UI T008512
Date06/19/1985
LexicalTag NON
ThesaurusID UNK (19XX); Twenty-Four Hour Rhythm
Term UI T008513
Date06/19/1985
LexicalTag NON
ThesaurusID UNK (19XX)

Circadian Rhythm MeSH Descriptor Data 2025