During 7 consecutive days, blood and several tissues were collected during daytime
working hours only, three times per day at 4-h intervals from inbred Wistar rats, which had …

Circannual variations in serum corticosterone levels in Balb c mice are demonstrated in
pooled data of profiles involving at least 6 time points of sampling per 24-hour span. High …

Under conditions standardized for analysis of 24-hour periodicity, with light from 06: 00 to
18: 00 alternating with 12 hours of darkness, corticostcrone in mouse serum undergoes …

While certain circadian hormonal changes are prominent, their predictable assessment
requires a standardization of conditions of sampling. The 24-hour rhythm in circulating …

Three biological rhythms (locomotor activity, body temperature, and plasma corticosterone)
were measured simultaneously in individual rats under light-dark cycles and continuous …

An average crest time of the circadian rhythmic change in 17-hydroxycorticosteroid excretion—
the so-called circadian acrophase of this urinary variable—was determined by several kinds …

Twenty-four hour patterns of plasma corticosterone levels and food intake were determined
at 3-4 h intervals weekly for 7 consecutive weeks in blinded and intact female adult rats …

The purpose of this study was to describe and compare the circadian rhythm of body
temperature and cortisol, as well as self-reported clock times of sleep onset and offset on …

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Intraperitoneal temperatures were monitored by radiotelemetry to observe the
thermoregulatory rhythm of male laboratory rats (Rattus norvegicus albinus) Rats received …