| Descriptor English: | Periodicity | ||||||
| Descriptor Spanish: | 
                                Periodicidad                                        
                                        
                                                                                                                            
                                            
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| Descriptor Portuguese: | Periodicidade | ||||||
| Descriptor French: | Périodicité | ||||||
| Entry term(s): | 
                                    Annual Variations Biological Rhythm Biological Rhythms Bioperiodicities Bioperiodicity Biorhythm Biorhythms Cyclicities Cyclicity Daily Variations Hour Variations Period Effect Periodicities Rhythm, Biological Rhythmicities Rhythmicity Rhythms, Biological  | 
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| Tree number(s): | 
                                        G01.910.645 G07.180.562  | 
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| RDF Unique Identifier: | https://id.nlm.nih.gov/mesh/D010507 | ||||||
| Scope note: | The tendency of a phenomenon to recur at regular intervals; in biological systems, the recurrence of certain activities (including hormonal, cellular, neural) may be annual, seasonal, monthly, daily, or more frequently (ultradian). | 
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| Annotation: | coordinate with specific disease for periodically occurring disease; do not confuse with PERIODIC DISEASE see FAMILIAL MEDITERRANEAN FEVER | 
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| Allowable Qualifiers: | No qualifiers | ||||||
| DeCS ID: | 10698 | ||||||
| Unique ID: | D010507 | ||||||
| Documents indexed in the Virtual Health Library (VHL): | Click here to access the VHL documents | ||||||
| Date Established: | 1966/01/01 | ||||||
| Date of Entry: | 1999/01/01 | ||||||
| Revision Date: | 2015/06/16 | 
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                                        PHENOMENA AND PROCESSES
 
Physical Phenomena [G01]Physical Phenomena - 
                                    
PHENOMENA AND PROCESSES
Physiological Phenomena [G07]Physiological Phenomena 
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                        Periodicity                                            
                                        - Preferred                                        
                                                                
                                
                        
                        
                        
                        
                        
                    
                    
                
                | Concept UI | 
                                        
                                        M0016325 | 
                                
| Scope note | The tendency of a phenomenon to recur at regular intervals; in biological systems, the recurrence of certain activities (including hormonal, cellular, neural) may be annual, seasonal, monthly, daily, or more frequently (ultradian). | 
| Preferred term | Periodicity | 
| Entry term(s) | 
                                        
                                                                                            Annual Variations                                                 Biological Rhythm Biological Rhythms Bioperiodicities Bioperiodicity Biorhythm Biorhythms Cyclicities Cyclicity Daily Variations Hour Variations Period Effect Periodicities Rhythm, Biological Rhythmicities Rhythmicity Rhythms, Biological  | 
                                
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