title: The ultrastructure, origin and fate of the theca externa of ovarian follicles in the sheep.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D003338:Corpus Luteum / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D004971:Estrus; D005260:Female; D005347:Fibroblasts / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D008854:Microscopy, Electron; D009210:Myofibrils / Q000648:ultrastructure; D006080:Ovarian Follicle / Q000254:growth & development / Q000648:ultrastructure*; D010060:Ovulation; D011247:Pregnancy; D012756:Sheep / Q000033:anatomy & histology* / Q000502:physiology