Time-lapse and electron microscopic studies of sea urchin micromeres.
D000818:Animals; D002454:Cell Differentiation; D002462:Cell Membrane; D002467:Cell Nucleus; D004447:Echinodermata / Q000196:embryology*; D004625:Embryo, Nonmammalian / Q000166:cytology*; D066298:In Vitro Techniques; D008722:Methods; D008854:Microscopy, Electron; D008938:Mitosis; D013997:Time Factors