title: Scanning electron microscopy of Drosophila melanogaster embryogenesis. II. Gastrulation and segmentation.
mesh_terms: D000367:Age Factors; D000818:Animals; D001756:Blastoderm / Q000648:ultrastructure; D004331:Drosophila melanogaster / Q000196:embryology* / Q000648:ultrastructure; D004475:Ectoderm / Q000648:ultrastructure; D006257:Head / Q000196:embryology; D007422:Intestines / Q000196:embryology; D008566:Membranes / Q000648:ultrastructure; D008648:Mesoderm / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D009420:Nervous System / Q000196:embryology