- Look up
ultradian in Wiktionary, the free dictionary. In chronobiology, an
ultradian rhythm is a
recurrent period or
cycle repeated throughout a 24-hour...
- 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...
-
molting and fur or hair growth, and
tidal or
seasonal rhythms. In contrast,
ultradian rhythms have
periods shorter than the
period of a
circadian rhythm. Several...
-
hypothesized to
occur during both
sleep and wakefulness. Empirically, it is an
ultradian rhythm of
approximately 90
minutes (80–120 minutes)
characterized by different...
-
which have just one nostril). In humans, the
nasal cycle is the
normal ultradian cycle of each nostril's
blood vessels becoming engorged in swelling, then...
-
Polymerase chain reaction – Soil
degradation –
Stomach cancer –
Triage –
Ultradian rhythm - Urea
cycle –
Zygote Bioelectricity –
Circadian rhythm – Consciousness...
-
reproduction 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...
-
clusters appear to be
capable of shorter-range timekeeping,
known as an
ultradian rhythm. One or more
dopaminergic pathways in the
central nervous system...
-
reproduction 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...
-
optimal pharmacological management.
People with the
rapid cycling or
ultradian subtypes of
bipolar disorder tend to be more
difficult to
treat and less...