Estrous cycle - Wikipedia Estrus (US-EN) or oestrus[2] (UK-EN) refers to the phase when the female is sexually receptive (" in heat " in American English, or " on heat " in British English) Under regulation by gonadotropic hormones, ovarian follicles mature and estrogen secretions exert their biggest influence
ESTRUS Definition Meaning - Merriam-Webster The meaning of ESTRUS is a regularly recurrent state of sexual receptivity during which the female of most mammals will accept the male and is capable of conceiving : heat; also : a single occurrence of this state
Estrus | Heat Detection, Ovarian Activity Hormonal Changes | Britannica Estrus, the period in the sexual cycle of female mammals, except the higher primates, during which they are in heat—i e , ready to accept a male and to mate One or more periods of estrus may occur during the breeding season of a species
What Is an Estrous Cycle and How Does It Work? Estrus is the “heat” phase, when the female is fertile and willing to mate Estrogen peaks and then drops sharply, triggering a surge of hormones from the pituitary gland that causes ovulation This is the only window during which mating and conception can occur
What Is the Oestrous Cycle and Its Stages? - Biology Insights Oestrus, often referred to as “heat” or “standing heat,” is the period of peak sexual receptivity and fertility Estrogen levels reach their highest point, which triggers ovulation in most species Females in oestrus are receptive to mating and may actively seek out males
Estrus | definition of estrus by Medical dictionary the recurrent, restricted period of sexual receptivity in female mammals other than human females, marked by intense sexual urge See also estrous cycle Called also estruation, estrum, and heat adj , adj es´trual, es´trous