abnormal maternal decidual layer morphology abnormal placenta metrial gland morphology MPheno.ontology any structural anomaly in the group of granular epithelial cells in the uterine muscle beneath the placenta that develops during pregnancy in rodents and some other species, but not in primates abnormal placental metrial gland MP:0010776 abnormal granulated metrial gland MA:0000386 2011-01-27T02:26:18Z csmith abnormal female reproductive gland morphology