Look up ultradian in Wiktionary, the free dictionary. In chronobiology, an ultradian rhythm is a recurrent period or cycle repeated throughout a 24-hour...

rhythms. In contrast, ultradian rhythms have periods shorter than the period of a circadian rhythm. Several infradian rhythms are known to be caused...

phase with other circadian or ultradian rhythms such as metabolic, hormonal, CNS electrical, or neurotransmitter rhythms. Recent research has influenced...

cycles in many plants and animals, or the human menstrual cycle. Ultradian rhythms, which are cycles shorter than 24 hours, such as the 90-minute REM...

to occur during both sleep and wakefulness. Empirically, it is an ultradian rhythm of approximately 90 minutes (80–120 minutes) characterized by different...

slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from...

degradation – Stomach cancer – Triage – Ultradian rhythm - Urea cycle – Zygote Bioelectricity – Circadian rhythm – Consciousness – Electroencephalography...

Linthorst, ACE (2008). "Corticosterone Levels in the Brain Show a Distinct Ultradian Rhythm but a Delayed Response to Forced Swim Stress". Endocrinology. 149 (7):...

cycles in many plants and animals, or the human menstrual cycle. Ultradian rhythms, which are cycles shorter than 24 hours, such as the 90-minute REM...

contributes to the ultradian rhythm of TSH concentration with about 10 pulses per 24 hours. The amplitude of the circadian and ultradian rhythms is reduced in...

Retrieved 8 May 2021. "Corticosterone Levels in the Brain Show a Distinct Ultradian Rhythm but a Delayed Response to Forced Swim Stress". Retrieved 24 July 2023...

generates a roughly 24 hour circadian clock. In the circadian day an ultradian rhythm takes control of the sleeping pattern. Sleep is an essential requirement...

(2019). "Defecation by the ctenophore Mnemiopsis leidyi occurs with an ultradian rhythm through a single transient anal pore". Invertebrate Biology. 138: 3–16...

the domain of an ultradian rhythm, the circasemidian rhythm may be the first harmonic of the circadian rhythm and not an intrinsic rhythm. However, a number...

Twin study Type A and Type B personality theory Type D personality Ultradian rhythm Unconditional positive regard Unconditioned response Unconditioned...

is released in a pulsatile manner resulting in both circadian and ultradian rhythms of its serum concentrations. TSH is a glycoprotein and consists of...

forced nostril breathing on one side) has an effect on endogenous ultradian rhythms of the autonomic and central nervous system. However, more recent...

Salk, demonstrating how the nasal cycle is tightly coupled to the ultradian rhythm of alternating cerebral hemispheric activity (Werntz DA, Bickford RG...

rhythm (commonly known as one's "internal clock"), while other cell clusters appear to be capable of shorter-range timekeeping, known as an ultradian...

firing rhythm to ensure noiseless communications with neurons outside the SCN." Honma has also been involved with recent research about ultradian rhythms, which...

"rest-activity" cycles, leading to many fundamental findings on circadian and ultradian rhythms. Kleitman proposed the existence of a Basic rest activity cycle, or...

Infradian rhythm Phase response curve Ultradian Ehlers, Cindy L.; Frank, E.; Kupfer, D. J. (1988). "Social Zeitgebers and Biological Rhythms". Archives...

side of plasma membrane extracellular space Biological process cell growth regulation of growth ultradian rhythm rhythmic process Sources:Amigo / QuickGO...

membrane extracellular space plasma membrane external side of plasma membrane Biological process rhythmic process ultradian rhythm Sources:Amigo / QuickGO...

those of behavioural or clinical topics involving ultradian, circadian, infradian, or annual rhythms. The journal publishes original scientific research...

Lavie, P. Ministry of Defense Publication, Israel, 1981 (Heb.). Ultradian Rhythms in Physiology and Behavior. Schulz, H. and Lavie, P. (Eds.) Springer...

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PDF-dependent modulation of K+ and Na+ ion channels in coupled pacemakers causes ultradian membrane potential oscillations for efficient synchronization of pacemaker...

responsible for the circadian (or daily) rhythm, while other cell clusters appear capable of shorter-range (ultradian) timekeeping. Psychoactive drugs can...

reinterpreted in relation to previous semantic representations or nodes." In the ultradian sleep cycle, an organism alternates between deep sleep (slow, large, synchronized...