https://doi.org/10.1351/goldbook.10590
Changes in response to progesterone that include the eosinophilic proliferation around arterioles after ovulation or progesterone action on endometrium.
Note: Decidualization increases glandularepithelial secretion, stimulates glycogen accumulation in stromal cell cytoplasm, and promotes stromal vascularity (spiral arterioles) and edema.