estral cycle


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Related to estral cycle: estrous cycle

estral cycle

n.
The estrous cycle.
References in periodicals archive ?
Evaluation of the estral cycle in rats after treatment with dexamethasone for polycystic ovaries, induced by constant illumination.
After a period of adaptation, vaginal smears were collected for the determination of the estral cycle. The animals that presented three regular estrous cycles were divided randomly in three groups, each of them constituted by 10 animals:
CUADRO 1 Duracion del ciclo estral en Agouti paca en diferentes esquemas de muestreo sanguineo TABLE 1 Estral cycle duration in Agouti paca in different times of blood sampling No.
The levels vary according to the different phases of the estral cycle of the rat (Johnson et al., 1982).
After an adaptation period, vaginal varnish were gathered to determine regular estral cycle. The animals which presented regular estral cycles were submitted to surgery techniques of pinealectomy, and sham-pinealectomy, which were after divided, by chance in four groups: