anatomical entity anatomical entity endometrium https://upload.wikimedia.org/wikipedia/commons/6/66/Illu_cervix.jpg EMAPA:29917 uberon UBERON:0001295 MESH:D004717 Animals that have estrous cycles reabsorb the endometrium if conception does not occur during that cycle. Animals that have menstrual cycles shed the endometrium through menstruation instead The glandular mucous membrane lining of the uterine cavity that is hormonally responsive during the estrous/menstrual cycle and during pregnancy. VHOG:0001285 uterine mucosa CALOHA:TS-0276 EV:0100115 The mucous membrane lining the uterus. [TFD][VHOG] MIAA:0000319 EFO:0000980 uterine endometrium BTO:0001422 MA:0000390 uterine mucous membrane The maternal part of the placenta (of eutherian mammals) is the vascularized and glandular uterine lining, or endometrium.[well established][VHOG] UMLS:C0014180 FMA:17742 in FMA this is subdivided into basal and outer MAT:0000319 endometrial GAID:377 tunica mucosa uteri tunica mucosa (endometrium) NCIT:C12313 reproductive system mucosa