Ultrastructure of the mammary gland in conditions of secretion deposition in the secretory portions.
D000818:Animals; D003594:Cytoplasmic Granules / Q000648:ultrastructure*; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D005260:Female; D008321:Mammary Glands, Animal / Q000648:ultrastructure*; D051379:Mice; D008807:Mice, Inbred BALB C; D008928:Mitochondria / Q000648:ultrastructure; D011247:Pregnancy