On the ultrastructure of seven day old normal (blastocysts) and abnormal bovine embryos.
D000818:Animals; D001755:Blastocyst / Q000648:ultrastructure*; D002417:Cattle; D000013:Congenital Abnormalities / Q000473:pathology*; D004622:Embryo, Mammalian; D005260:Female; D008854:Microscopy, Electron; D011247:Pregnancy