oestrous cycle

noun

1. a hormonally controlled cycle of activity of the reproductive organs in many female mammals. The follicular stage (growth of the Graafian follicles, thickening of the lining of the uterus, secretion of oestrogen, and ovulation, is succeeded by the luteal phase (formation of the corpus luteum and secretion of progesterone), followed by regression and a return to the first stage See oestrus

Example Sentences

A third fear, which I do think is justified, is that reviewers might ask scientists to repeat all their studies in every phase of the oestrous cycle.

From Nature

Typically, reasons for male focus in animal-model selection centre on concerns about confounding contributions from the oestrous cycle.

From Nature