单词	estrous cycle
释义	estrous cycle /ˈestrəs ˌsīk(ə)l / noun The recurring reproductive cycle in many female mammals, including estrus, ovulation, and changes in the uterine lining.Conception during the first week of the breeding season is limited by the proportion of cows that have resumed normal estrous cycles before the beginning of the breeding season.... Normal ovarian function depends on the continual process of growth and development of follicles to ensure the presence of a follicle capable of ovulation during each estrous cycle. Expression of a germ cell marker in bone marrow fluctuated regularly with the female mouse's estrous cycle, much like the cyclical rise and fall of certain hormones.
随便看	printer-plotter Printers' Bible printer's devil cross-compiler cross-connection cross-contaminate cross-contamination cross-correlate cross-correlation cross-country cross-court cross cousin cross-cultural cross-current cross-curricular cross-cut cross-cut saw cross-dating cross-disciplinary cross-dress cross-dresser crosse crossed line crosser cross-examination

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