| D008027 |
Light |
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. |
Light, Visible,Photoradiation,Radiation, Visible,Visible Radiation,Photoradiations,Radiations, Visible,Visible Light,Visible Radiations |
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| D010507 |
Periodicity |
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). |
Cyclicity,Rhythmicity,Biological Rhythms,Bioperiodicity,Biorhythms,Biological Rhythm,Bioperiodicities,Biorhythm,Cyclicities,Periodicities,Rhythm, Biological,Rhythmicities,Rhythms, Biological |
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| D002980 |
Climate |
The longterm manifestations of WEATHER. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Climates |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D012621 |
Seasons |
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal |
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| D014481 |
United States |
A country in NORTH AMERICA between CANADA and MEXICO. |
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| D019964 |
Mood Disorders |
Those disorders that have a disturbance in mood as their predominant feature. |
Affective Disorders,Affective Disorder,Disorder, Affective,Disorder, Mood,Disorders, Affective,Disorders, Mood,Mood Disorder |
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