title: Steroid hormones and ultrastructure of the equine Graafian follicle.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004967:Estrogens / Q000032:analysis*; D004971:Estrus; D005260:Female; D006651:Histocytochemistry; D006736:Horses; D008247:Lysosomes; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D006080:Ovarian Follicle / Q000032:analysis / Q000166:cytology*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis*; D011485:Protein Binding; D011863:Radioimmunoassay
chemical_list: D004967:Estrogens; D011374:Progesterone