ESTROUS CYCLE By N., Sam M.S. - 3 The cycle of reproductive activity shown be females except for humans. See diestrus- estrus- proestrus. ESTROUS CYCLE: "Lyn did not show evidence of an estrous cycle but her dog did." Related Psychology Terms ESTHETICS EXPRESSIVE BEHAVIOR SEXUAL DEVIATIONS (GENERAL) AVOIDANCE LEARNING PMDD: Can It Be Cured? AER HUNGER ESTRUS DREAM-STATE (D-STATE, REM- STATE) EMOTION (Theories) HOMOSEXUALITY (ETIOLOGY AND THERAPY) Cite this page: N., Sam M.S., "ESTROUS CYCLE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/estrous-cycle/ (accessed December 9, 2022).