title: Application of cryoultramicrotomy in electron -- microscopic studies on the lactating mouse mammary gland.
mesh_terms: D000818:Animals; D005260:Female; D005615:Freezing; D007774:Lactation; D008321:Mammary Glands, Animal / Q000648:ultrastructure*; D051379:Mice; D008807:Mice, Inbred BALB C; D008854:Microscopy, Electron; D008867:Microtomy; D011247:Pregnancy