The first cleavage of the amphibian egg. An electron microscope study of the onset of cytokinesis in the egg of Ambystoma mexicanum.
D000818:Animals; D002462:Cell Membrane; D003593:Cytoplasm; D005260:Female; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D010063:Ovum / Q000166:cytology*; D014562:Caudata / Q000196:embryology*