| D007172 |
Erectile Dysfunction |
The inability in the male to have a PENILE ERECTION due to psychological or organ dysfunction. |
Impotence,Male Impotence,Male Sexual Impotence,Dysfunction, Erectile,Impotence, Male,Impotence, Male Sexual,Sexual Impotence, Male |
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| D008297 |
Male |
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Males |
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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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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D001143 |
Arousal |
Cortical vigilance or readiness of tone, presumed to be in response to sensory stimulation via the reticular activating system. |
Vigilance, Cortical,Arousals,Cortical Vigilance |
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| D012894 |
Sleep Stages |
Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; they formerly included Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. In 2007, sleep stages were redefined by The American Academy of Sleep Medicine (AASM) as: N1-N2 (sleep onset - light sleep), N3 (SLOW-WAVE SLEEP), and REM SLEEP. |
N1-Sleep,N2-Sleep,NREM Stage 1,NREM Stage 2,N1 Sleep,N2 Sleep,Sleep Stage,Stage, Sleep,Stages, Sleep |
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