Biology Define estrous cycle Asked by bookragstutor 13 years ago 9/10/2012 1:34 AM Last updated by anonymous 13 years ago 9/10/2012 1:34 AM
A type of reproductive cycle in all female mammals except higher primates, in which the nonpregnant endometrium is reabsorbed rather than shed, and sexual response occurs only during midcycle at estrus.