ENDOMETRIUM By N., Sam M.S. - 0 The layer of cells that line the uterus varying in thickness during the menstrual cycle. ENDOMETRIUM: "The endometrium is the cells that line the uterus." Related Psychology Terms PMDD: Can It Be Cured? UTERUS CORTICAL LAYERS DREAM-STATE (D-STATE, REM- STATE) ADOLESCENCE (Theories) RETINA MENSTRUAL CYCLE NERVE CONDUCTION PRENATAL DEVELOPMENT COLOR CIRCLE Cite this page: N., Sam M.S., "ENDOMETRIUM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/endometrium/ (accessed June 25, 2022).