title: The relationship between cleavage and blastocoel formation in Xenopus laevis. II. Electron microscopic observations.
mesh_terms: D000818:Animals; D001001:Anura; D002462:Cell Membrane; D003593:Cytoplasm; D004475:Ectoderm; D004625:Embryo, Nonmammalian / Q000166:cytology; D005314:Embryonic and Fetal Development; D005110:Extracellular Space; D005306:Fertilization; D006003:Glycogen / Q000378:metabolism; D008854:Microscopy, Electron; D008870:Microtubules; D008938:Mitosis; D013194:Staining and Labeling
chemical_list: D006003:Glycogen