title: Proceedings: The ultrastructure of the corpus luteum in relation to the mechanism of progesterone secretion.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D003338:Corpus Luteum / Q000166:cytology* / Q000378:metabolism; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004971:Estrus; D005260:Female; D006056:Golgi Apparatus; D008854:Microscopy, Electron; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D012636:Secretory Rate; D012756:Sheep; D013997:Time Factors
chemical_list: D011374:Progesterone