title: Dynamic changes in ovarian structures and in progesterone secretion in the cow throughout the calving-to-conception interval.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D010053:Ovary / Q000033:anatomy & histology* / Q000378:metabolism; D049590:Postpartum Period / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D011374:Progesterone / Q000378:metabolism*
chemical_list: D011374:Progesterone