title: Cyclical changes in the uterine endometrium and peripheral plasma concentrations of progesterone in the marsupial Trichosurus vulpecula.
mesh_terms: D000818:Animals; D004717:Endometrium / Q000166:cytology / Q000502:physiology*; D004971:Estrus; D005260:Female; D005263:Femoral Artery; D008854:Microscopy, Electron; D009893:Opossums; D010053:Ovary / Q000098:blood supply; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D014680:Veins
chemical_list: D011374:Progesterone