Ultrastructural changes in the surface layers of the newt's egg in relation to the mechanism of its cleavage.
D000818:Animals; D002462:Cell Membrane; D002473:Cell Wall; D003593:Cytoplasm; D005260:Female; D008854:Microscopy, Electron; D008938:Mitosis; D010063:Ovum / Q000166:cytology* / Q000254:growth & development; D014562:Caudata