| D008550 |
Melatonin |
A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the PINEAL GLAND. Its secretion increases in darkness and decreases during exposure to light. Melatonin is implicated in the regulation of SLEEP, mood, and REPRODUCTION. Melatonin is also an effective antioxidant. |
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| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
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| D002940 |
Circadian Rhythm |
The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs or environmental and physiological stimuli. |
Diurnal Rhythm,Nyctohemeral Rhythm,Twenty-Four Hour Rhythm,Nycthemeral Rhythm,Circadian Rhythms,Diurnal Rhythms,Nycthemeral Rhythms,Nyctohemeral Rhythms,Rhythm, Circadian,Rhythm, Diurnal,Rhythm, Nycthemeral,Rhythm, Nyctohemeral,Rhythm, Twenty-Four Hour,Rhythms, Circadian,Rhythms, Diurnal,Rhythms, Nycthemeral,Rhythms, Nyctohemeral,Rhythms, Twenty-Four Hour,Twenty Four Hour Rhythm,Twenty-Four Hour Rhythms |
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| D005260 |
Female |
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Females |
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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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| D012463 |
Saliva |
The clear, viscous fluid secreted by the SALIVARY GLANDS and mucous glands of the mouth. It contains MUCINS, water, organic salts, and ptylin. |
Salivas |
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| D012893 |
Sleep Wake Disorders |
Abnormal sleep-wake schedule or pattern associated with the CIRCADIAN RHYTHM which affect the length, timing, and/or rigidity of the sleep-wake cycle relative to the day-night cycle. |
Sleep Disorders,Long Sleeper Syndrome,Short Sleep Phenotype,Short Sleeper Syndrome,Sleep-Related Neurogenic Tachypnea,Subwakefullness Syndrome,Disorder, Sleep,Disorder, Sleep Wake,Disorders, Sleep,Disorders, Sleep Wake,Long Sleeper Syndromes,Neurogenic Tachypnea, Sleep-Related,Neurogenic Tachypneas, Sleep-Related,Phenotype, Short Sleep,Phenotypes, Short Sleep,Short Sleep Phenotypes,Short Sleeper Syndromes,Sleep Disorder,Sleep Phenotypes, Short,Sleep Related Neurogenic Tachypnea,Sleep Wake Disorder,Sleep-Related Neurogenic Tachypneas,Sleeper Syndrome, Long,Sleeper Syndrome, Short,Sleeper Syndromes, Long,Sleeper Syndromes, Short,Subwakefullness Syndromes,Syndrome, Long Sleeper,Syndrome, Short Sleeper,Syndrome, Subwakefullness,Syndromes, Long Sleeper,Syndromes, Short Sleeper,Syndromes, Subwakefullness,Tachypnea, Sleep-Related Neurogenic,Tachypneas, Sleep-Related Neurogenic,Wake Disorder, Sleep,Wake Disorders, Sleep |
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| D016022 |
Case-Control Studies |
Comparisons that start with the identification of persons with the disease or outcome of interest and a control (comparison, referent) group without the disease or outcome of interest. The relationship of an attribute is examined by comparing both groups with regard to the frequency or levels of outcome over time. |
Case-Base Studies,Case-Comparison Studies,Case-Referent Studies,Matched Case-Control Studies,Nested Case-Control Studies,Case Control Studies,Case-Compeer Studies,Case-Referrent Studies,Case Base Studies,Case Comparison Studies,Case Control Study,Case Referent Studies,Case Referrent Studies,Case-Comparison Study,Case-Control Studies, Matched,Case-Control Studies, Nested,Case-Control Study,Case-Control Study, Matched,Case-Control Study, Nested,Case-Referent Study,Case-Referrent Study,Matched Case Control Studies,Matched Case-Control Study,Nested Case Control Studies,Nested Case-Control Study,Studies, Case Control,Studies, Case-Base,Studies, Case-Comparison,Studies, Case-Compeer,Studies, Case-Control,Studies, Case-Referent,Studies, Case-Referrent,Studies, Matched Case-Control,Studies, Nested Case-Control,Study, Case Control,Study, Case-Comparison,Study, Case-Control,Study, Case-Referent,Study, Case-Referrent,Study, Matched Case-Control,Study, Nested Case-Control |
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| D017698 |
Postmenopause |
The physiological period following the MENOPAUSE, the permanent cessation of the menstrual life. |
Post-Menopause,Post-menopausal Period,Postmenopausal Period,Period, Post-menopausal,Period, Postmenopausal,Post Menopause,Post menopausal Period,Post-Menopauses |
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| D047648 |
Perimenopause |
The transitional period before and after MENOPAUSE. Perimenopausal symptoms are associated with irregular MENSTRUAL CYCLE and widely fluctuated hormone levels. They may appear 6 years before menopause and subside 2 to 5 years after menopause. |
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